Respiratory · Symptom framework

Breathlessness

NICE NG106 NICE NG115

FEV₁/FVC <0.7Post-bronchodilator → confirms COPD

SpO₂ <94%Target supplemental O₂ in most patients

NT-proBNP >400ng/L → specialist assessment + echo within 6 weeks (NICE NG106)

NT-proBNP <400ng/L → HF unlikely (falsely low in obesity and on HF drugs)

MMRC 0–4Dyspnoea scale — triggers referral at ≥3

Wells >4PE likely — same-day CTPA, no D-dimer (NICE NG158)

≥12% + ≥200 mLFEV₁ improvement after BD → supports asthma (NICE NG245)

UrgentSuspected cancer pathway referral — haemoptysis + risk factors

📋 Clinical Stem — Progressive Breathlessness in a Smoker

A 63-year-old male ex-smoker presents with 6 months of progressive breathlessness and morning cough — differentiate COPD, heart failure, and lung cancer

"Mr David Hartley, 63 years old, retired plumber. He presents with a 6-month history of gradually worsening breathlessness on exertion — he can now manage only one flight of stairs before stopping (MMRC grade 2–3). He has a morning productive cough, worse in winter. He smoked 25 cigarettes a day for 30 years (37.5 pack-years) and stopped 5 years ago. He has a BMI of 31 and hypertension treated with amlodipine 10 mg and ramipril 5 mg. He drinks 20 units of alcohol weekly. He has not had a chest X-ray in 10 years. He came today because his wife made him — he has been minimising his symptoms."

Heavy smoking history (37.5 pack-years) with progressive exertional dyspnoea and productive morning cough is COPD until proven otherwise. However, with hypertension and alcohol misuse, alcoholic cardiomyopathy and heart failure must be in the differential. The absence of a chest X-ray for 10 years in a 37.5-pack-year smoker requires urgent consideration of lung cancer. All three diagnoses can coexist.

Scenario A — COPD 58-year-old smoker (45 pack-years), productive morning cough, wheeze, breathless on exertion. Spirometry: FEV₁/FVC 0.58 post-BD. GOLD stage 2. Smoking cessation, SABA PRN, then LABA + LAMA if still breathless (no asthmatic features), pulmonary rehab referral.

Scenario B — Heart Failure 70-year-old with IHD and hypertension, orthopnoea, PND, ankle oedema, bibasal crackles. BNP elevated. Echo: LVEF 30%. All four pillars (ACEi + beta-blocker + MRA + SGLT2 inhibitor) plus loop diuretic for congestion; HF team referral.

Scenario C — Asthma (new diagnosis) 35-year-old with episodic wheeze, nocturnal symptoms, occupational trigger (hairdresser). FEV₁ reversibility 18% post-salbutamol. As-needed ICS/formoterol (AIR) — no SABA-only regimen (NICE NG245); occupational asthma referral if workplace-related.

Scenario D — Pulmonary Embolism 54-year-old woman, sudden-onset breathlessness, pleuritic chest pain, unilateral leg swelling, recent long-haul flight. Wells score 7 — high probability. D-dimer not needed; CTPA urgently.

Scenario E — Lung Cancer 67-year-old smoker with haemoptysis, weight loss 5 kg in 3 months, persistent cough change, breathlessness. Suspected cancer pathway referral — CT chest and urgent respiratory review.

Key variables to adapt Age, smoking history, onset (sudden vs insidious), associated features (orthopnoea, pleuritic pain, haemoptysis, weight loss), occupation, pattern of breathlessness (exertional vs nocturnal vs positional), response to previous bronchodilators, SpO₂, spirometry results.

Steps:

Step 1

History Taking — Open Question First · Targeted Questions · ICE · Psychosocial Context

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Breathlessness is one of the most symptom-rich presentations in primary care — the cause is frequently diagnosable from the history alone if the right questions are asked. The key characterisation axes are: onset (sudden = PE/pneumothorax vs insidious = COPD/HF/malignancy), pattern (exertional = COPD/HF vs nocturnal = HF/asthma vs positional = HF/pleural effusion), associated symptoms (productive cough = COPD/infection; haemoptysis = malignancy/PE; ankle oedema = HF; weight loss = malignancy/severe COPD), and smoking history (pack-years).

🎓 Consultation opener

"I can see you've had a cough and breathlessness for some months now. Before I ask you anything specific, I'd like to hear it in your own words — can you describe what the breathlessness is like and when it first started?"

1A — Characterise the breathlessness: onset, pattern, severity, associations

Question to ask	Why it matters clinically	Changes what?
🟢 OPEN QUESTION"Can you describe the breathlessness in your own words — when it started, what brings it on, and what makes it better?"	Allows the patient to lead with their most troubling aspect — often revealing the diagnosis through the spontaneous description of onset, triggers, and associated symptoms before structured questioning begins.A patient who spontaneously describes "I have to sleep sitting up now" has just told you this is likely heart failure.	DiagnosesICE
How did it start?"Did it come on suddenly one day, or has it been getting gradually worse over weeks or months?"	Sudden onset (hours to days): PE, pneumothorax, pneumonia, acute heart failure. Insidious progressive (weeks to months): COPD, HF developing over time, malignancy, pleural effusion. The timescale is one of the single most discriminating features for the underlying cause.Sudden onset breathlessness at rest → always consider PE, even without traditional risk factors. Wells score should be calculated for any acute-onset unexplained breathlessness.	DDxRisk
What brings it on?"Is it only with activity, or do you get it at rest? How far can you walk on flat ground before you have to stop?"	Exertional dyspnoea only → COPD, HF, IHD, anaemia. Dyspnoea at rest → severe disease of any cause, or acute presentation. Quantifying exercise tolerance (how many flights of stairs? how far on the flat?) gives the MMRC dyspnoea grade, which guides referral and treatment decisions.MMRC grade 3 (stops after walking 100 metres on flat) = significant limitation → spirometry + pulmonary rehab referral if COPD confirmed. MMRC grade 4 (breathless when dressing) = urgent assessment.	DDxReferral
Does position affect it?"Do you get breathless at night — can you lie flat comfortably, or do you need extra pillows?"	Orthopnoea (breathlessness when lying flat) and PND (waking at night gasping) are specific features of heart failure — fluid redistribution from the legs to the pulmonary circulation when supine increases pulmonary venous pressure. The number of pillows needed quantifies orthopnoea severity.Three or more pillows to sleep = almost certainly heart failure until proven otherwise. Orthopnoea has a specificity of over 85% for HF among breathless patients in primary care.	DDx HFBNP
Any cough?"Do you have a cough? Is it productive? What colour is the sputum? Any blood in it at any point?"	Chronic productive morning cough = COPD or chronic bronchitis. Frothy pink sputum = acute pulmonary oedema (emergency). Frank haemoptysis = malignancy, PE, TB, or bronchiectasis — always requires urgent investigation. Blood-streaked sputum = less specific but still warrants CXR and follow-up.Haemoptysis in a patient with over 30 pack-years smoking history = suspected lung cancer pathway referral unless a more obvious benign cause is confirmed.	Emergency if pink frothySuspected cancer pathway referral if haemoptysis
Any wheeze?"Do you or your family notice a whistling sound when you breathe out, particularly at night or first thing in the morning?"	Wheeze on expiration suggests airway narrowing — asthma (variable, worse at night/morning, reversible with bronchodilators) or COPD (persistent, less variable). Nocturnal and morning wheeze with variation is more characteristic of asthma. Persistent non-variable wheeze in a smoker = COPD.A fixed monophonic wheeze over one area may indicate an obstructing bronchial lesion — lung cancer until excluded on imaging.	Asthma vs COPD vs obstruction
Ankle swelling or weight gain?"Have your ankles been swelling — particularly in the evenings? Have you noticed your weight going up recently?"	Bilateral ankle oedema + breathlessness = heart failure until proven otherwise. Rapid weight gain (2+ kg in a week) indicates fluid retention in heart failure decompensation. Note: peripheral oedema alone can also be caused by medication (amlodipine — in this case stem), venous insufficiency, or hypoalbuminaemia.The combination of orthopnoea + ankle oedema + elevated JVP is the clinical triad most specific for heart failure — each alone is non-specific.	HFDiuretic
Any chest pain?"Any chest pain or tightness — particularly with the breathlessness?"	Pleuritic chest pain (sharp, worse on inspiration and coughing) = PE, pleuritis, or pneumonia. Central crushing chest pain = ACS driving the breathlessness. Chest pain with cough and fever = pneumonia. Pain character differentiates the diagnoses: pleuritic vs ischaemic vs musculoskeletal.Sudden-onset breathlessness + pleuritic chest pain + unilateral leg swelling = PE until proven otherwise → Wells score; CTPA if high probability.	PE or ACS → emergencyDDx
Weight change?"Have you noticed your weight changing — either gaining weight or losing weight — in the last few months?"	Unexplained weight loss of over 5% in 3 months in a heavy smoker is a red-flag symptom for lung malignancy until proven otherwise — requires an urgent direct-access chest X-ray, in line with the local pathway (NICE NG12, updated April 2026) and a suspected cancer pathway referral if the X-ray suggests cancer. Paradoxically, cachexia in severe COPD also causes weight loss. Weight gain suggests fluid retention (HF).Weight loss or breathlessness change in an ever-smoker aged ≥40 = urgent direct-access chest X-ray, in line with the local pathway (NICE NG12) even if the breathlessness seems explicable by COPD.	Suspected cancer pathway referralDDx
Smoking history — pack-years"How long did you smoke for and how many cigarettes a day? [pack-years = (cigs/day ÷ 20) × years smoked]"	Pack-years is the most important risk stratification tool for COPD, lung cancer, and cardiovascular disease in primary care. Over 20 pack-years + symptoms = spirometry mandatory. Aged ≥40 with unexplained haemoptysis = suspected cancer pathway referral; aged ≥40 ever-smoker with cough, breathlessness, fatigue, chest pain, weight loss or appetite loss = urgent direct-access chest X-ray, in line with the local pathway (NICE NG12, updated April 2026). Quantifying pack-years precisely also validates the importance of smoking cessation as the most impactful single intervention.37.5 pack-years (25/day × 30 years) puts this patient in the high-risk COPD category and requires lung cancer active surveillance consideration.	DDxSuspected cancer pathway referral + spirometryCessation
Occupational history"What did you do for work — were you exposed to any dusts, chemicals, asbestos, or fumes?"	Occupational exposures are a major and under-recognised cause of respiratory disease: asbestos exposure (plumber, shipbuilder, construction) → mesothelioma and asbestosis; coal dust → pneumoconiosis; silica dust → silicosis; isocyanates (spray painting) → occupational asthma. A retired plumber has a specific asbestos exposure risk requiring mesothelioma consideration.A plumber who worked before 1980 likely had regular asbestos pipe-lagging exposure — mesothelioma latency is 20–50 years, making this patient's age and occupation a live risk combination.	Asbestosis/mesotheliomaOccupational physician

1B — Red flags in breathlessness

🚨

Red Flags — must not miss

Red flag	Why dangerous	Action
SpO₂ under 94% at presentation	Hypoxaemia at rest indicates significant respiratory compromise — acute severity marker regardless of underlying cause. Requires immediate oxygen supplementation and assessment (noting COPD patients may have chronic hypoxaemia with a lower target).	Oxygen + 999 or urgent same-day assessment
Sudden-onset breathlessness + pleuritic chest pain + unilateral leg swelling	Classic PE triad — even individually each is a significant red flag. PE is a medical emergency with mortality up to 30% if untreated. Calculate Wells score; if over 4 → CTPA without D-dimer delay.	999 if haemodynamically compromised; CTPA urgently if stable
Haemoptysis in a patient over 40 with smoking history	Lung cancer until proven otherwise. Also consider TB, PE, bronchiectasis. Suspected cancer pathway referral is mandatory in any patient with haemoptysis aged over 40 — do not wait for "more blood." Even a single episode requires urgent investigation.	Suspected cancer pathway referral
Frothy pink sputum	Indicates acute pulmonary oedema — plasma proteins leaking into the alveoli due to high pulmonary venous pressure. Life-threatening HF emergency: furosemide IV, GTN, oxygen, and 999 immediately.	999 — acute HF emergency
Stridor at rest	Upper airway obstruction — anaphylaxis, epiglottitis, foreign body, or malignant upper airway obstruction. Inspiratory stridor = life-threatening; secure airway urgently or call 999.	999 — potential airway emergency
Rapidly progressive breathlessness over days in a smoker with constitutional symptoms	Malignant superior vena cava (SVC) obstruction, malignant pleural effusion, or rapidly progressive malignancy-related lung pathology. Requires urgent CXR and same-day respiratory assessment.	Same-day respiratory assessment
Unexplained weight loss over 5% + persistent breathlessness change + smoking	Constitutional symptoms in a heavy smoker are malignancy until proven otherwise. Even if COPD is already established, a new cancer can develop on that background. NICE NG12 (updated April 2026): urgent direct-access chest X-ray, in line with the local pathway; suspected cancer pathway referral if it suggests cancer.	Urgent direct-access chest X-ray, in line with the local pathway (NICE NG12)

1C — PMH / FH / Drug history / Social history

🧬 PMH / FH — changes management

Factor	Why it matters	Management impact
Established COPD, asthma or ILD	Breathlessness change in established lung disease may indicate exacerbation, new comorbidity, or disease progression — reassessment of spirometry and severity staging needed	New spirometry if over 1 year since last; reassess GOLD/GINA staging; review inhaler technique
Heart failure / IHD / atrial fibrillation	All predispose to acute or chronic decompensated HF as a cause of breathlessness — the breathlessness may be the presenting feature of deterioration	BNP; echo if not recent; medication review; cardiology referral if decompensated
Known malignancy (current or past)	Breathlessness in a patient with cancer history raises pleural metastases, malignant effusion, lymphangitis carcinomatosa, PE (cancer is a strong VTE risk factor), or progression of disease	Same-day respiratory assessment; CXR; oncology communication; Wells score for PE
Anaemia (established)	Reduced haemoglobin causes compensatory increased cardiac output and breathlessness on exertion — often under-diagnosed as a contributing factor in breathless patients with multimorbidity	FBC; treat underlying cause; transfusion if severe; re-assess breathlessness after correction
Anxiety / panic disorder	Anxiety and panic attacks cause hyperventilation and perceived breathlessness — often coexist with organic causes; both must be addressed. Thorough exclusion of organic causes improves engagement with psychological treatment.	Organic causes excluded first; NHS Talking Therapies; CBT for health anxiety; breathing retraining; HAVS assessment

💊 Drug history · Social history

Factor	Why it matters	Management impact
Beta-blockers	Beta-blockers cause bronchoconstriction in susceptible individuals — can precipitate wheeze and breathlessness in asthma or severe COPD. Even cardioselective beta-blockers are relatively contraindicated in severe asthma.	Review if asthma confirmed; switch to calcium channel blocker or ACEi for hypertension if beta-blocker is contraindicated
ACE inhibitors (dry cough)	ACEi cause a dry persistent cough in up to 15% of patients — can be mistaken for asthma or COPD. The cough begins within weeks of starting and resolves completely within 1–4 weeks of stopping.	Stop ACEi if cough is ACEi-likely; switch to ARB; recheck cough at 4 weeks
Amiodarone	Amiodarone causes pulmonary toxicity — cryptogenic organising pneumonia, diffuse alveolar damage — in up to 5% of patients; insidious onset breathlessness with a chest X-ray that may appear relatively normal	TFTs; CXR; cardiology review; stop or dose-reduce; specialist respiratory assessment
Smoking (current or past) — 20+ pack-years	Spirometry is mandatory if smoking history is 20+ pack-years with any respiratory symptoms — COPD is significantly under-diagnosed in primary care due to lack of spirometry uptake	Spirometry; COPD action plan if confirmed; NRT/Varenicline for cessation; annual influenza vaccine; pneumococcal vaccine
Alcohol excess (over 14 units/week)	Alcohol is a significant risk factor for cardiomyopathy, cardiac arrhythmia, aspiration pneumonia, and TB — all causing breathlessness. In this stem (20 units/week), alcoholic cardiomyopathy is a live differential alongside COPD	AUDIT-C screening; ECHO if cardiac cause suspected; brief intervention; LFTs; HF pathway if echo abnormal
Occupation (retired plumber — asbestos)	Plumbers who worked pre-1980 have high asbestos exposure — mesothelioma latency 20–50 years makes breathlessness in a man in his 60s a specific mesothelioma risk regardless of smoking history	Detailed occupational history; CXR for pleural plaques; urgent respiratory referral if mesothelioma features on CXR

1D — ICE

💭 Ideas

"What do you think might be causing this breathlessness — have you had any thoughts about what's going on?"

A 63-year-old ex-smoker may believe "it's just the smoking catching up with me" — this stoic attribution model, while partially correct, may prevent him from engaging with investigation of more sinister pathology. The patient who minimises symptoms often has the most important things to find on investigation. Understanding his attribution model is essential to calibrating your explanation.

😟 Concerns

"Is there something specific you've been worried this might be — something your wife or family have said, or that's been on your mind?"

The hidden concern in a heavy smoker with breathlessness is often cancer — but it may be framed as "I don't want to know." Understanding whether the patient is minimising to avoid confronting a feared diagnosis is essential to the therapeutic relationship. Named and addressed directly, this concern can be pivoted into a reason to investigate rather than a reason to avoid investigation.

🎯 Expectations

"What were you hoping we might do about this today — was there something specific you were expecting?"

A patient who was "made to come" by his wife may be coming simply to satisfy her rather than expecting active investigation. Understanding this expectation allows the GP to engage the patient directly in the rationale for investigation — making clear that the investigation is for him, not for her. This transforms a reluctant attender into an engaged patient.

1E — Psychosocial context

🚬 Smoking, Identity, and Guilt

Many long-term smokers carry significant guilt about their smoking history when they develop respiratory disease. This guilt can paradoxically prevent early presentation ("I've only got myself to blame") and create barriers to engaging with investigation and treatment. Addressing smoking non-judgementally — acknowledging that addiction is a disease, not a moral failure — is essential to building therapeutic alliance.

"A lot of people feel guilty about their smoking history when they develop a chest problem — but addiction is really difficult to overcome, and what matters now is what we do going forward."

👴 Symptom Minimisation — Stoic Male

Older adult males are statistically the most likely to minimise respiratory symptoms and delay presentation — often attending only when a partner insists. A retired plumber who "doesn't make a fuss" may have been significantly symptomatic for years before attending. The relationship with the patient's wife is an important therapeutic lever — with his permission, involving her in the management plan can significantly improve follow-through and monitoring.

"I can see you've been putting up with this for a while. Would it be helpful if your wife was part of the conversation about what we're going to do next — since she knows you well and clearly cares about you?"

🚶 Activity Limitation and Loss of Role

Progressive breathlessness causes dramatic and often invisible disability — the inability to walk upstairs, garden, or play with grandchildren has profound effects on identity, mood, and self-worth, particularly in retired adults whose physical activity was previously central to their life. Acknowledging this impact opens the conversation about pulmonary rehabilitation and the evidence that physical function can be meaningfully improved even in severe COPD.

"How has the breathlessness been affecting what you're able to do day-to-day — things you used to enjoy? I'm asking because there are things we can do to help with that, not just the breathlessness itself."

🍺 Alcohol and Self-Medication

20 units of alcohol per week is above the UK Chief Medical Officers' low-risk limit of 14 units a week (2016). In the context of breathlessness, this is clinically significant for two reasons: alcohol can cause cardiomyopathy (directly relevant to HF as a differential), and alcohol misuse may be a coping mechanism for the anxiety, disability, or loss of identity driven by progressive breathlessness and retirement.

"I'd like to ask about alcohol — not to judge, but because it can actually affect the heart and lungs, and understanding it helps us figure out what's going on. How much would you say you drink in a typical week?"

🏠 Housing and Environmental Factors

Damp housing, mould exposure, indoor fuel combustion (solid fuel stoves), and outdoor air pollution are all environmental precipitants that can worsen COPD and asthma. For a patient who worked as a plumber, current exposures (DIY, hobbies) may continue to expose him to irritants that are aggravating his respiratory disease.

"Is there anything at home — damp, mould, dust from DIY, or a wood-burning stove — that might be making the breathlessness worse?"

💊 Medication Adherence and Inhaler Technique

Breathlessness inadequately controlled by inhalers is one of the most common problems in respiratory disease management — and poor inhaler technique is the most common unaddressed cause. Before escalating therapy, always assess inhaler technique and adherence directly, using a demonstrate-then-check-back approach.

"Do you have any inhalers at home? It would be really helpful to see how you use them — not to test you, but because technique makes a massive difference to how well they work."

🎓 SCA Checkpoint — Step 1TasksRelating to OthersGlobal Skills

Key phrases that score

"Can you describe the breathlessness in your own words — when did it first start and what brings it on?"

"Can you sleep flat at night, or do you need extra pillows?"

"Have you ever noticed any blood in your cough — even a streak or a spot?"

"What do you actually do for work — have you ever been exposed to any dust, fumes, or asbestos?"

"I know you were brought in by your wife — but I'm curious what you think is going on yourself?"

Deductions

Not quantifying smoking in pack-years
Not asking about orthopnoea or PND (missing HF)
Not asking about haemoptysis
Not asking about occupational exposure in a plumber
Attributing breathlessness solely to smoking without investigating other causes
Not asking about weight loss in a heavy smoker

🔴 Red

Pack-years not quantified; no orthopnoea; no haemoptysis; no occupational history; attributes to COPD without investigating HF or malignancy

🟠 Amber

Pack-years calculated; orthopnoea asked; haemoptysis asked; occupational history incomplete; ICE partially explored

🟢 Green

Full characterisation including onset, pattern, severity (MMRC), associated features; pack-years quantified; occupational asbestos risk assessed; haemoptysis, orthopnoea, and weight loss all asked; ICE explored; symptom minimisation acknowledged empathetically

Step 2

Triage Engine — Emergency · Urgent · Routine

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Breathlessness triage begins with a single question: is this patient safe to complete a full consultation in primary care, or does acute hypoxaemia, haemodynamic compromise, or an obstructed airway require immediate action? Once safety is confirmed, the decision tree is driven by the pace of symptom onset, the red flag features identified in the history, and the SpO₂ on pulse oximetry.

🔴 Emergency

999 or A&E Immediately

Immediate action

SpO₂ under 88% at restAcute hypoxaemia — oxygen immediately (target 94–98%; 88–92% in COPD with known type 2 failure risk)
Suspected massive PE with haemodynamic instabilitySystolic BP under 90 mmHg + acute breathlessness → 999; thrombolysis decision in hospital
Acute pulmonary oedema (pink frothy sputum)Furosemide 40–80 mg IV if available; GTN spray; 999; sit upright
Tension pneumothoraxTracheal deviation, absent breath sounds, haemodynamic compromise → 999 immediately
Anaphylaxis with stridor or angioedemaAdrenaline 0.5 mg IM immediately (repeat after 5 min if no improvement); 999; routine hydrocortisone no longer recommended (RCUK 2021)
Life-threatening asthma (PEF under 33% best or predicted)Oxygen; nebulised salbutamol; prednisolone 40–50 mg orally (or IV hydrocortisone 100 mg); 999

🟠 Urgent

Same-Day / 2-Week Assessment

Rapid assessment

Haemoptysis in patient over 40 with smoking historySuspected cancer pathway referral to respiratory/thoracic; CXR same day
SpO₂ 88–94% at rest (stable)Same-day secondary care assessment; oxygen therapy planning
Suspected pneumonia with systemic featuresCRB-65 score; antibiotic; admission if CRB-65 ≥2 or SpO₂ under 92%
New significant pleural effusion on CXRSame-day respiratory referral for diagnostic aspiration; malignancy exclusion
Suspected PE (Wells >4) — haemodynamically stableSame-day CTPA — no D-dimer at Wells >4; interim anticoagulation if imaging delayed
Decompensated heart failure — fluid overloaded, no acute hypoxaemiaDiuretic increase per individual plan; U&E in 3–5 days; review at 48 hours; admission if not improving

🟢 Routine

Primary Care Management

GP management

Chronic stable COPD — reassessmentSpirometry; GOLD staging; optimise inhaler therapy; pulmonary rehab referral
New possible asthma — typical historyObjective confirmation (eosinophils or FeNO, then spirometry with reversibility, then PEF diary); then ICS/formoterol AIR
Well-controlled HF — routine monitoringMedication review and titration; U&E; review at least 6-monthly; lifestyle advice
Breathlessness attributable to deconditioning or obesityExercise programme; weight management; spirometry to exclude concurrent COPD
Anxiety-driven breathlessness (after organic exclusion)NHS Talking Therapies; breathing retraining; CBT for health anxiety

🎓 SCA Checkpoint — Step 2Tasks

🔴 Red

SpO₂ not checked; haemoptysis not triggering a suspected cancer pathway referral; triage decision not linked to named clinical features

🟠 Amber

Triage broadly correct; reasoning not shared; one key red flag missed in the triage decision

🟢 Green

SpO₂ checked immediately; haemoptysis triggers a suspected cancer pathway referral; triage decision explicitly linked to named features from history; explanation shared with patient

Step 3

Do I Need This Examination?

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Pulse oximetry and respiratory rate are the two most important and quickest measurements in breathlessness — they must be done first, before the physical examination. SpO₂ under 94% changes the management immediately, regardless of the history. Auscultation differentiates wheeze (obstructive disease), crackles (HF or fibrosis), and reduced or absent breath sounds (effusion, pneumothorax). JVP assessment is one of the most specific clinical signs for heart failure and is frequently omitted in primary care.

Examination	Why it matters	Key finding + action	Mandatory?
Pulse oximetry (SpO₂)	The single most important measurement in breathlessness — an objective marker of severity that bypasses subjective reporting and triggers immediate action if abnormal. Should be done within the first 2 minutes of seeing any breathless patient.Target SpO₂ 94–98% for most patients. For known COPD with suspected type 2 respiratory failure risk: target 88–92% to avoid hypoxia-driven respiratory drive suppression.	Under 88% → oxygen + 999. 88–94% → urgent same-day assessment. Over 94% at rest → doesn't exclude disease on exertion	YES — immediately
Respiratory rate	Elevated respiratory rate (over 20 breaths/min) is an early and sensitive marker of respiratory compromise — more sensitive than SpO₂ for early deterioration. It forms part of the CRB-65 severity score for pneumonia and the NEWS2 scoring system for acute illness.A resting RR over 25 breaths/min in a breathless patient indicates significant acute illness — do not allow this patient to leave the surgery without a clear safety plan.	Over 25/min → significant acute illness; CRB-65 severity scoring; consider same-day admission	YES — always
Chest auscultation	Differentiates the three major breathlessness patterns: wheeze on expiration (COPD, asthma), bibasal crackles (HF, interstitial fibrosis), reduced or absent breath sounds with dullness to percussion (effusion, collapse, consolidation). A normal auscultatory finding does not exclude significant respiratory disease.Bilateral fine end-inspiratory crackles + breathlessness + ankle oedema = HF triad. Unilateral reduced breath sounds with stony dull percussion = effusion until proven otherwise.	Wheeze → COPD/asthma pathway. Bibasal crackles → BNP; echo. Reduced unilateral → CXR urgently; possible effusion or malignancy	YES — always
JVP assessment	Elevated jugular venous pressure (over 4 cm above the sternal angle at 45°) indicates raised right heart filling pressure — one of the most specific signs for volume overloaded heart failure. Frequently overlooked in primary care. Combine with ankle oedema and crackles for the most specific HF triad.Hepatojugular reflux (JVP rises when you press on the upper abdomen) is even more sensitive for HF than resting JVP elevation.	Elevated JVP → HF most likely; BNP urgently; loop diuretic; cardiology referral	YES in HF query
Ankle oedema assessment	Bilateral pitting ankle oedema + breathlessness = HF until proven otherwise — although amlodipine in the current stem causes non-pitting peripheral oedema as a common side effect. Distinguish pitting (fluid overload/HF) from non-pitting (medication, lymphoedema, chronic venous insufficiency).Unilateral leg swelling in a breathless patient = DVT/PE until proven otherwise → Wells score for DVT; urgent D-dimer or ultrasound.	Bilateral pitting → BNP; HF pathway. Unilateral → Wells score; DVT/PE exclusion urgently	YES — always
Peak expiratory flow rate (PEFR)	In acute breathlessness: PEFR 50–75% = moderate; 33–50% = acute severe; under 33% = life-threatening. In new breathlessness with suspected asthma: 2-week PEFR diary (morning and evening) showing over 20% variability is highly diagnostic for asthma without requiring formal spirometry.Note: PEFR is effort-dependent and unreliable in COPD — spirometry with FEV₁/FVC ratio is the diagnostic gold standard for COPD.	PEFR 33–50% → acute severe asthma: treat and call 999 for hospital assessment. Over 20% variability on diary → asthma diagnosed clinically	Asthma query
Calf tenderness and swelling	Unilateral calf swelling, warmth, and tenderness in a breathless patient raises DVT + PE as a combined diagnosis — even in the absence of classic DVT symptoms. Add 3 points to the Wells PE score for clinical DVT signs.Up to 40% of PE cases have no identifiable DVT on ultrasound — the absence of calf signs does not exclude PE.	Positive → Wells PE score +3; high Wells → CTPA without D-dimer; anticoagulate immediately if PE confirmed	PE query

🎓 SCA Checkpoint — Step 3Tasks

🔴 Red

SpO₂ not checked; chest auscultation findings not linked to management; JVP not assessed when HF suspected; no PEFR in acute wheeze

🟠 Amber

SpO₂ and auscultation done; JVP assessment omitted; findings described but not linked to the management decision; respiratory rate forgotten

🟢 Green

SpO₂ checked first; RR counted; auscultation findings explicitly linked to diagnosis; JVP assessed in HF context; each finding linked to the next investigation or action; findings explained to the patient in plain language

Step 4

Do I Need This Investigation?

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The investigative priority in breathlessness is determined by the most dangerous cause that remains on the differential. For this patient: spirometry to confirm or exclude COPD, CXR to look for malignancy/effusion/consolidation/cardiac enlargement, BNP to screen for heart failure, and a full blood count to exclude anaemia. For any patient where PE remains possible after history and examination: Wells score determines whether D-dimer or direct CTPA is the next step.

Investigation	Clinical question it answers	Key result + action
Spirometry (post-bronchodilator)	The only test that can diagnose COPD — FEV₁/FVC under 0.7 post-bronchodilator confirms fixed airflow obstruction. Also distinguishes COPD from asthma (bronchodilator reversibility: FEV₁ improvement of ≥12% and ≥200 mL supports asthma — NICE NG245; FEV₁/FVC normalises in asthma). GOLD staging determines treatment and monitoring intensity.	FEV₁/FVC under 0.7 + FEV₁ 50–79% = GOLD stage 2 COPD → SABA; LABA + LAMA if still breathless or exacerbating; pulmonary rehab if MRC ≥3. FEV₁/FVC under 0.7 + FEV₁ under 30% = GOLD 4 → urgent respiratory referral
Chest X-ray (CXR)	Essential first-line imaging for breathlessness — hyperinflation + flattened diaphragms (COPD), cardiomegaly + pulmonary oedema (HF), pleural effusion, consolidation (pneumonia), mass lesion (malignancy), pleural plaques (asbestos exposure). A normal CXR significantly reduces the probability of many causes but does not exclude early malignancy.	Mass lesion or pleural effusion in a smoker → suspected cancer pathway referral for CT chest + urgent respiratory referral. Cardiomegaly + bilateral haziness → HF confirmed; BNP; diuretic. Normal CXR + wheeze → spirometry; PEFR diary
BNP / NT-proBNP	The most sensitive blood test for heart failure — NT-proBNP under 400 ng/L makes HF less likely in an untreated patient; 400–2,000 ng/L → specialist assessment and echo within 6 weeks; over 2,000 ng/L → within 2 weeks (NICE NG106). More sensitive than CXR for early HF and is the first-line test for suspected HF before echocardiogram in NICE NG106. Affected by renal function, atrial fibrillation (elevates BNP independent of HF), and obesity (suppresses BNP).	NT-proBNP over 2000 pg/mL → urgent (within 2 weeks) echocardiogram + cardiology. Over 400 pg/mL → echocardiogram within 6 weeks. Under 400 pg/mL → HF unlikely (beware false-low in obesity and on HF drugs); look for other cause
FBC	Anaemia is a significant and under-recognised contributor to breathlessness — haemoglobin under 100 g/L can cause exertional dyspnoea as the presenting or principal symptom. Also identifies polycythaemia (secondary to COPD), neutrophilia (infection), and eosinophilia (asthma, eosinophilic pneumonia).	Hb under 100 g/L → investigate and treat underlying cause; reassess breathlessness after correction. Eosinophilia + wheeze → consider eosinophilic asthma; check serum IgE
Wells PE Score calculation	NICE NG158 uses the two-level Wells score: PE likely (>4) or PE unlikely (≤4). PE unlikely → D-dimer (high sensitivity, rules out if negative). PE likely → CTPA directly without D-dimer (D-dimer will be positive non-specifically at high Wells, so the negative predictive value is lost).	Wells >4 → immediate CTPA without D-dimer; interim therapeutic anticoagulation if CTPA delayed and no contraindication (NICE NG158). Wells ≤4 → D-dimer; if positive → CTPA. Wells ≤4 + D-dimer negative → PE unlikely; consider alternative diagnosis
D-dimer (only if Wells ≤4 — PE unlikely)	D-dimer is a fibrin degradation product — highly sensitive but poorly specific for PE (positive in infection, inflammation, malignancy, pregnancy). Only useful when Wells is ≤4 (PE unlikely) — its negative predictive value is over 98% in low-probability patients, making it an excellent rule-out test in that context only.	D-dimer negative + low Wells → PE excluded. D-dimer positive + any Wells → CTPA required. Never use D-dimer in high Wells-score patients — it will be positive and adds no information, delays CTPA
Echocardiogram	Confirms heart failure and quantifies severity — LVEF, wall motion abnormalities, valvular disease, pulmonary pressures. Mandatory for all patients with new HF diagnosis (NICE NG106); required before starting HFrEF-specific treatment (beta-blocker, spironolactone). Should be done within 2 weeks if NT-proBNP over 2000 pg/mL.	LVEF ≤40% = HFrEF → all four pillars (ACEi + beta-blocker + MRA + SGLT2 inhibitor); ICD discussion if EF ≤35% after optimal therapy. LVEF ≥50% = HFpEF → consider MRA + SGLT2 inhibitor; diuretic for congestion; treat comorbidities
U&E + LFTs	Before starting ACEi/ARB for HF: baseline renal function mandatory (can precipitate acute kidney injury). Before loop diuretics: electrolyte baseline. Elevated LFTs in breathlessness context may suggest right heart failure causing hepatic congestion.	Reduced eGFR → lower starting doses and smaller increments (NICE NG106 1.6.1: eGFR 45 or less); recheck U&E 1–2 weeks after starting and after each dose increase; creatinine rise >50% or K⁺ >5.5 mmol/L → act per local protocol and seek heart failure team advice (NG106 1.7.4–1.7.5). Elevated bilirubin + ALP → right heart failure hepatic congestion; echo urgently

🎓 SCA Checkpoint — Step 4Tasks

🔴 Red

No spirometry planned; D-dimer ordered in high Wells patient (wrong); BNP not mentioned in HF context; suspected cancer pathway referral not triggered despite haemoptysis

🟠 Amber

Spirometry and CXR ordered; BNP mentioned but threshold not given; Wells score not calculated for PE query; investigations not explained to patient

🟢 Green

Spirometry and CXR as first-line; BNP with NT-proBNP threshold for HF; Wells score calculated correctly; D-dimer only if Wells ≤4; suspected cancer pathway referral for haemoptysis triggered; investigations explained in plain terms

Step 5

Reaching a Diagnosis & DDx — Explained in Plain Language

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🗣️ Explaining Breathlessness in Plain Language — say something like this

"The breathlessness you've been experiencing is happening because your airways or your lungs are not working quite as efficiently as they should. In your case, the most likely cause — given your smoking history and the type of breathlessness you're describing — is a condition called COPD, where years of smoke exposure have caused permanent changes to the small airways in the lungs, making it harder to push air out when you breathe. Think of it like trying to squeeze air through a tube that's narrowed and a bit floppy. The good news is that COPD is manageable, and there are very effective treatments that can significantly improve how much you can do. But I also want to make sure we check a few other things alongside this, because the breathlessness could be coming from more than one place at once — and that's why I'm arranging the breathing test, the chest X-ray, and the blood tests."

A — Diagnosable in Primary Care

GP can diagnose

COPD (post-bronchodilator FEV₁/FVC <0.7)

Progressive exertional dyspnoea + chronic productive cough in a smoker. Confirmed on spirometry — post-bronchodilator FEV₁/FVC under 0.7. GOLD staging guides treatment intensity. A large bronchodilator response (FEV₁ >400 mL, NICE NG115) suggests asthma rather than COPD. Treatment: smoking cessation, SABA, then LABA + LAMA (LABA + ICS if asthmatic features), pulmonary rehab.

Asthma

Episodic breathlessness + wheeze with diurnal variation (worse at night and morning) and objective confirmation per NICE NG245 (2024, joint with BTS and SIGN): FeNO (or blood eosinophils), then bronchodilator reversibility (FEV₁ ≥12% and ≥200 mL), then PEF variability of 20% or more on a 2-week diary. Triggers: allergens, cold air, exercise, occupational. Treatment (age ≥12): as-needed low-dose ICS/formoterol (AIR), stepping to MART — NG245 advises never SABA without ICS.

Heart Failure (with GP initiation)

NT-proBNP over 400 + echo confirming LVEF under 40% (HFrEF). Loop diuretic for congestion while echo is pending; once echo confirms HFrEF (LVEF ≤40%), start all four pillars (ACEi, beta-blocker, MRA, SGLT2 inhibitor) at low dose and titrate. NICE NG106 recommends echocardiogram within 2 weeks for BNP over 2000 pg/mL.

B — Suspected — Refer

Refer for confirmation

Lung Cancer

NICE NG12 (updated April 2026): aged ≥40 with unexplained haemoptysis, or chest X-ray suggesting lung cancer = suspected cancer pathway referral; weight loss, cough change or new breathlessness in an ever-smoker aged ≥40 = urgent direct-access chest X-ray, in line with the local pathway. Even in the presence of COPD, a new cancer can coexist. A normal CXR does not exclude early lung cancer — consider urgent referral or CT if suspicion persists.

Mesothelioma

Former plumber with asbestos exposure + breathlessness + pleural plaques on CXR = mesothelioma until proven otherwise. CT chest + respiratory referral urgently. Latency 20–50 years makes this presentation age-appropriate. Compensation via IIDB/AFCS may be applicable.

Pulmonary Fibrosis (IPF)

Progressive exertional dyspnoea + fine bibasal Velcro crackles + clubbing in an older adult. HRCT chest is diagnostic. Antifibrotic agents (nintedanib, pirfenidone) under specialist care. Refer to respiratory specialist urgently — early treatment slows progression.

Severe / Very Severe COPD (GOLD 3–4)

FEV₁ under 50% predicted requires respiratory specialist input for inhaler optimisation on the NG115 ladder, pulmonary rehab referral, home nebuliser assessment, and long-term oxygen therapy (LTOT) assessment if stable SpO₂ ≤92% on air.

C — Emergency — Act Now

Diagnose & act

Pulmonary Embolism (massive or submassive)

Haemodynamic instability + acute breathlessness + Wells high probability = massive PE → systemic thrombolysis consideration in hospital. Submassive PE (stable with right heart strain on echo) → CTPA + anticoagulation + specialist input. 999 if ongoing haemodynamic compromise.

Acute Severe / Life-Threatening Asthma

PEFR under 33% predicted, SpO₂ under 92%, silent chest, exhaustion, or bradycardia = life-threatening asthma. Oxygen 15 L/min; nebulised salbutamol 5 mg + ipratropium 500 mcg; prednisolone 40–50 mg orally (or IV hydrocortisone 100 mg); 999 immediately — treat while waiting.

Acute Pulmonary Oedema (HF decompensation)

Frothy pink sputum + severe breathlessness + SpO₂ dropping = flash pulmonary oedema. Sit upright; GTN spray (if systolic over 90); furosemide 40–80 mg IV if available; 999. BiPAP in hospital. Mortality up to 10% if not treated immediately.

📊 GOLD COPD Staging — Diagnosis and Treatment Thresholds

GOLD Stage	FEV₁ % predicted (post-BD)	Symptoms	Treatment
GOLD 1 — Mild	≥80%	Often asymptomatic; may have chronic cough	SABA PRN; smoking cessation; pneumococcal + influenza vaccines
GOLD 2 — Moderate	50–79%	Breathlessness on exertion; productive cough common	SABA PRN; LABA + LAMA if still breathless or exacerbating (LABA + ICS if asthmatic features); pulmonary rehab if MRC ≥3
GOLD 3 — Severe	30–49%	Significant exertional limitation; frequent exacerbations	LABA + LAMA; triple (LABA+LAMA+ICS) if severe/frequent exacerbations or symptoms impairing quality of life; pulmonary rehab; respiratory referral; rescue pack if suitable
GOLD 4 — Very Severe	<30%	Breathless with minimal activity; frequent hospitalisation	Respiratory specialist; LTOT assessment; palliative care planning; home nebuliser

🎓 SCA Checkpoint — Step 5TasksRelating to Others

🔴 Red

Diagnoses COPD without spirometry; doesn't mention HF or malignancy as differentials; jargon throughout without explanation; doesn't address patient's attribution model

🟠 Amber

COPD explained but without mechanism; uncertainty not shared; HF and malignancy mentioned as possibilities but not explained; patient's concern not directly addressed

🟢 Green

COPD explained using plain language analogy; uncertainty acknowledged ("more than one cause possible"); HF and malignancy exclusion explained without causing panic; investigation rationale linked to each differential; patient's own attribution model acknowledged and corrected gently

Step 6

If Referral Is Needed — What the GP Does Before & During

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Condition	Urgency	What GP does before referral	What GP must NOT do
Suspected lung cancer (aged ≥40 with unexplained haemoptysis, or CXR suggesting cancer — NICE NG12, updated April 2026)	Suspected cancer pathway	CXR same-day; submit suspected cancer pathway referral via local pathway; smoking cessation; counsel patient on referral reason without creating false certainty about diagnosis; arrange follow-up to discuss results	Do not tell the patient they have cancer until CT confirms; do not delay referral waiting for further GP investigations; do not defer because COPD "explains" the symptoms
New heart failure (NT-proBNP over 2000 pg/mL)	Echo within 2 weeks (NICE NG106)	BNP; CXR; U&E; loop diuretic for symptom relief (furosemide 40 mg OD) while awaiting echo; BP management; weigh patient (baseline for monitoring); advise daily weights; review medications for HF triggers (NSAIDs, CCBs exacerbating fluid retention)	Do not start ACEi without baseline U&E; do not start spironolactone without specialist echo-confirmed LVEF; do not give NSAIDs
Suspected mesothelioma (asbestos-exposed plumber + pleural plaques)	Urgent respiratory — 2 weeks	Detailed occupational history documentation; CXR; CT chest without delay; inform patient sensitively; mention Industrial Injuries Disablement Benefit (IIDB) and Diffuse Mesothelioma Payment Scheme; provide respiratory specialist referral	Do not attribute breathlessness solely to COPD in an asbestos-exposed plumber without excluding pleural pathology on imaging; do not delay CT chest
COPD GOLD stage 2 (moderate)	Routine respiratory + pulmonary rehab	Confirm spirometry; prescribe SABA (salbutamol 100 mcg PRN), then LABA + LAMA in one device if still breathless (LAMA alone if stable or LABA unsuitable); smoking cessation referral; influenza + pneumococcal + COVID vaccines; written COPD self-management plan; rescue pack if a selected, educated patient	Do not use ICS alone as monotherapy in COPD (no evidence for bronchodilator-alone ICS vs LABA/LAMA); do not diagnose COPD without post-bronchodilator spirometry
Suspected PE (Wells >4) — stable	Same-day CTPA	Calculate Wells score formally; if Wells >4 → arrange same-day CTPA via the acute pathway; if imaging is delayed, interim therapeutic anticoagulation per local pathway (e.g. apixaban) after checking contraindications and taking baseline bloods; D-dimer only if Wells ≤4	Do not order D-dimer in high-probability Wells patients — it will be positive non-specifically and delays CTPA; do not discharge without either anticoagulation or confirmed exclusion of PE
IPF / interstitial lung disease (suspected)	4-week respiratory (HRCT)	HRCT chest (not plain CXR — sensitivity too low for ILD); spirometry with KCO (DLCO); oxygen assessment; no corticosteroids without specialist diagnosis (worsens some ILD subtypes); refer to ILD specialist clinic	Do not prescribe corticosteroids empirically for ILD without specialist guidance — harmful in some subtypes including IPF; do not use plain spirometry alone as the diagnostic test

🎓 SCA Checkpoint — Step 6Tasks

🔴 Red

No suspected cancer pathway referral triggered; delays echo pending results; D-dimer ordered in high-Wells PE; COPD diagnosed without spirometry

🟠 Amber

Appropriate referral chosen; urgency correct; rationale not explained to patient; pre-referral workup partially complete

🟢 Green

Correct specialty and urgency; pre-referral workup complete; suspected cancer pathway referral triggered for haemoptysis; explains referral reason to patient sensitively; safety-nets while awaiting results

Step 7

Management — Expectation · Goals · Lifestyle · Drug Cards · Psychosocial · Follow-Up · Safety-Netting

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7A — Address the patient's expectation first

🤝

This patient was brought in by his wife — his expectation may be to get "checked out" and leave. Transform that into genuine engagement.

Validate

Acknowledge that he has been managing the breathlessness without wanting to make a fuss — this is a common and understandable response, not a failure.

"I can see you've been getting on with things despite this — and I really appreciate you coming in today. You're right that this has been going on for a while, and we should understand it properly."

Explain

Frame the investigation as proactive — not just about what's causing the breathlessness, but about giving him the best chance of maintaining his quality of life going forward.

"The breathing test and X-ray aren't just to find out what's wrong — they're going to tell us how well your lungs are working right now and what we can do to make sure they don't get worse over time."

Negotiate

Give him something concrete he can take away today — ideally the smoking cessation referral, the written self-management plan template, and an appointment for spirometry.

"Today I'm going to arrange the breathing test and the X-ray, and I'm also going to put in a referral to our smoking cessation service — that's the single most powerful thing we can do for your breathing long-term, regardless of what the tests show."

7B — Why treatment matters: goals tailored to this patient

Treatment goals

🚬 Stop smoking — most impactful single action 🌬️ Slow lung function decline 🏃 Improve exercise tolerance 🏥 Reduce exacerbation rate 😰 Reduce breathlessness at symptom level 🧠 Maintain independence 💉 Vaccinations — influenza + pneumococcal 📋 Written self-management plan + rescue pack

Motivational framing

"Stopping smoking now — even after 30 years — can reduce the rate at which your lung function declines by half. Your lungs won't repair themselves fully, but they won't get worse as fast. That translates to significantly more time before breathlessness becomes severely limiting."

"People who go through our pulmonary rehabilitation programme often tell us it's the most effective thing they've ever done for their breathing — significantly better than inhalers alone. It's supervised exercise plus education about your condition."

7C — Non-medication management: smoking cessation + pulmonary rehab

🚬

Smoking Cessation

Target: complete cessation — no safe level of smoking in COPD

Mechanism

Smoking causes ongoing airway inflammation and accelerated loss of lung function in COPD — FEV₁ falls by about 60 mL/year in continuing smokers. Cessation roughly halves this (to about 30 mL/year — Lung Health Study), regardless of how long or how much the patient has smoked.

Practical

Refer to NHS Stop Smoking Service (12-week behavioural support programme). Offer varenicline, cytisinicline, combination NRT (patch + short-acting) or a nicotine vape with behavioural support — the NICE NG209 most-effective options. Set a quit date together; document it; follow up at 2 weeks for support.

Smoking cessation is the ONLY intervention proven to slow FEV₁ decline in COPD

🏃

Pulmonary Rehabilitation

Target: complete the supervised programme (NICE NG115)

Mechanism

Supervised exercise training reduces dynamic hyperinflation, increases peripheral muscle efficiency, and significantly reduces the perception of breathlessness at any given workload. NICE NG115 recommends PR for people who view themselves as functionally disabled by COPD (usually MRC grade 3 and above — walks slower than peers on the level, or stops for breath when walking at own pace).

Practical

Refer via respiratory physiotherapy or community pulmonary rehab service. Most programmes run twice weekly for 6–8 weeks. Effective even in very severe COPD. Improves exercise capacity, symptoms and quality of life and may reduce later healthcare use.

PR improves exercise capacity, symptoms and quality of life and may reduce healthcare use

💉

Vaccinations

Mandatory in COPD — influenza annually, pneumococcal, COVID

Mechanism

Respiratory infections are the most common precipitant of COPD exacerbations — influenza and pneumococcal pneumonia can cause life-threatening acute-on-chronic respiratory failure in severe COPD. Each prevented exacerbation preserves lung function and reduces disease progression.

Practical

Influenza vaccine annually (September–November). Pneumococcal vaccine per the current UK schedule (Green Book). COVID booster per current JCVI guidance. RSV vaccine if newly recommended in age group. All these are free on the NHS for COPD patients.

Annual influenza vaccine reduces COPD hospitalisation by 52% (Cochrane review)

📋

Self-Management Plan + Rescue Pack

Every COPD patient should have a written action plan; rescue packs for selected, educated patients

Mechanism

Written self-management plans empower patients to recognise and respond to early exacerbation symptoms, reducing the delay to treatment that worsens outcomes. Early antibiotic and steroid use at the start of an exacerbation significantly reduces hospitalisation rates.

Practical

Prescribe a rescue pack: prednisolone 30 mg × 5 days + amoxicillin 500 mg TDS × 5 days (or doxycycline 200 mg on day 1 then 100 mg OD, 5 days in total). Give written instructions: "Use if breathlessness increases and sputum becomes yellow or green and/or you develop a fever." Advise GP review within 48 hours of starting.

Rescue packs can reduce unplanned care in selected, educated patients

🍺

Alcohol Reduction

Target: under 14 units/week (currently 20/week)

Mechanism

Alcohol at 20 units per week puts this patient at risk of alcoholic cardiomyopathy (a direct differential for HF-related breathlessness), aspiration pneumonia (worsening COPD), and impaired immune response (increasing exacerbation frequency). Alcohol also reduces engagement with exercise programmes and cessation support.

Practical

AUDIT-C screening; 5–10 minute brief intervention (IBA framework: Ask, Advise, Act); referral to local alcohol service or NHS Drink Free Days app; LFTs to assess hepatic impact. If cardiac cause of breathlessness confirmed — abstinence may partially reverse alcoholic cardiomyopathy.

Alcohol abstinence can partially reverse alcoholic cardiomyopathy within 6–12 months

💨

Inhaler Technique Review

Target: correct device and technique confirmed at every review

Mechanism

Poor inhaler technique is the most common cause of inadequate COPD and asthma control — up to 80% of patients in community audits use poor technique. Switching devices or step-up therapy without addressing technique first leads to unnecessary medication escalation.

Practical

Ask patient to demonstrate their inhaler technique at every review. Use the device-specific technique checklist. Spacer with MDI improves delivery by 30–40% in many patients. Breath-actuated inhalers (e.g. EasyHaler) better for patients with poor hand coordination. Spiriva Respimat preferred over HandiHaler if hand strength is limited.

Correct inhaler technique alone improves COPD control equivalently to one treatment step-up

7F — Drug reference cards: COPD and breathlessness

SABA — Salbutamol

Ventolin · 100 mcg/actuation MDI · reliever inhaler

Step 1 COPD/asthma100–200 mcg PRN

✓ Prefer when

PRN reliever in COPD; in asthma only alongside ICS — ICS/formoterol AIR or MART is preferred (NICE NG245)

Acute breathlessness — 2.5–5 mg via nebuliser in exacerbation

Never as sole therapy in asthma — no SABA-only regimen (NICE NG245)

✗ Caution if

Overuse (over 3 times per week) = inadequate asthma control → step up ICS

Hypokalaemia risk at high doses — check electrolytes if nebulised frequently

💬 Counselling

"This is your reliever inhaler — use it when you feel breathless, not regularly. If you're using it more than 2–3 times a week, let us know — that tells us the condition isn't as well-controlled as it should be."

The SCA key point for SABA: overuse (over 3 times per week in asthma) is itself a diagnostic signal of uncontrolled disease. Naming this threshold and committing to step-up if it is exceeded scores in the Tasks domain.

LAMA — Tiotropium

Spiriva Respimat 2.5 mcg · once-daily long-acting anticholinergic

COPD — LAMA alone in selected patients5 mcg OD (2 puffs)

✓ Prefer when

COPD still breathless on SABA — usually as LABA + LAMA (NICE NG115); LAMA alone if stable and controlled or a LABA is unsuitable

Reduces exacerbation rate by 14% compared with placebo (UPLIFT trial)

Improves exercise tolerance and health-related quality of life in moderate COPD

✗ Avoid if

Severe urinary retention (BPH with acute retention) — anticholinergic effect worsens retention

Narrow-angle glaucoma — avoid spray in eyes; use spacer if MDI

💬 Counselling

"This inhaler is taken once a day, every day — it's a controller, not a reliever. It keeps the airways open throughout the day. If you get a dry mouth, that's a normal side effect and tends to improve after a few weeks."

NICE NG115: LABA + LAMA is the usual first regular inhaler in COPD without asthmatic features; LAMA alone remains reasonable in stable, controlled patients. Naming tiotropium specifically (rather than a generic "bronchodilator") demonstrates clinical precision and scores in the Tasks domain.

ICS/LABA — Combination Inhaler

Fostair (beclometasone/formoterol) · Seretide · Symbicort — for COPD with frequent exacerbations or asthma

Step 2 COPD/asthmaVaries by device

✓ Prefer when

COPD with asthmatic or steroid-responsive features (NICE NG115 — the eosinophil cut-offs are GOLD, not NICE)

COPD with 1 severe or 2 moderate exacerbations a year on LABA + LAMA → consider triple therapy

Asthma — ICS/formoterol as AIR, then low- to moderate-dose MART (NICE NG245)

✗ Avoid / caution

ICS monotherapy as sole COPD treatment — no evidence base; LABA must accompany ICS in COPD

High-dose ICS long-term → increased pneumonia risk in COPD (TORCH trial evidence)

SABA-only regimen in asthma — not recommended; step through AIR to MART (NICE NG245)

💬 Counselling

"This combination inhaler contains two medicines — one that opens the airways and one that reduces the inflammation. Rinse your mouth and gargle with water after each dose to prevent a sore mouth or thrush."

Key SCA point: in COPD, ICS should not be used alone — must be combined with LABA. In asthma, ICS is the cornerstone and should be stepped up (not removed) even when symptoms improve. Demonstrating awareness of when ICS is and is not indicated scores in Tasks.

Furosemide (Loop Diuretic)

Frusemol — first-line symptom management in heart failure

HF symptoms20–80 mg OD–BD

✓ Prefer when

Acute and chronic HF with fluid overload — bibasal crackles, ankle oedema, orthopnoea

Rapid symptom relief — reduces pulmonary venous pressure within 15–30 minutes of IV dose

First-line in decompensated HF alongside ACEi/beta-blocker titration

✗ Avoid / caution

Hypovolaemia / dehydration — will worsen acute kidney injury

eGFR under 30 — reduced efficacy; thiazide-like diuretic may be more effective or combination needed

🔬 Monitor

U&E and creatinine at 1–2 weeks after starting or dose change

Daily weight at home — agreed action trigger (e.g. +2 kg over 3 days); diuretic self-adjustment only within an individualised written plan

💬 Counselling

"This water tablet will make you pass more urine — most people find the effect comes on within an hour of taking it. Take it in the morning to avoid getting up at night. Weigh yourself every morning before eating: if your weight goes up by more than 2 kg over 3 days, follow your written plan and ring us the same day."

Daily weight monitoring with an agreed action trigger (e.g. +2 kg over 3 days) and an individualised diuretic plan — is the most examinable self-management instruction for heart failure in the SCA. Stating this specifically demonstrates that the management plan is personalised and actionable.

Varenicline (generic)

Partial nicotinic acetylcholine receptor agonist — one of the NICE NG209 most-effective options for smoking cessation

Cessation 1st line0.5–1 mg BD

✓ Prefer when

Motivated to quit — NG209 most-effective option alongside cytisinicline, combination NRT or a nicotine vape

Previous NRT failure — varenicline works through a different mechanism

COPD — smoking cessation is the single most impactful disease-modifying intervention

✗ Caution

Psychiatric history — rare neuropsychiatric effects; warn about mood changes; monitor closely

Reduce dose in severe renal impairment (eGFR under 30)

💬 Counselling

"You start this tablet 1 to 2 weeks before your quit date. It reduces the cravings and makes smoking less satisfying. Let me know if you notice any mood changes, unusual thoughts, or feeling more irritable than usual — we can adjust if needed. Take it with food to reduce nausea."

Smoking cessation with pharmacotherapy is the most impactful single intervention for COPD — the SCA examiner expects this to be offered proactively, not as an afterthought. Naming varenicline specifically and placing it among the NG209 most-effective options (varenicline, cytisinicline, combination NRT or a nicotine vape, with behavioural support) demonstrates evidence-based prescribing.

Prednisolone (Rescue Course)

30 mg OD × 5 days — COPD exacerbation rescue pack

Exacerbation30 mg OD × 5 days

✓ Use when

COPD exacerbation with increased breathlessness, exercise limitation, or change in sputum colour

Acute asthma attack — 40–50 mg OD × 5–7 days; longer if slow response

✗ Avoid / caution

Diabetes — monitor blood glucose; short courses can cause significant hyperglycaemia

Long-term / repeated courses → osteoporosis; ≥2 courses a year → review the ladder and consider bone protection

💬 Counselling

"If you notice your breathlessness worsening and your phlegm turning yellow or green, start this course of steroid tablets straight away — don't wait for symptoms to be severe. Take them with food and let us know you've started, so we can check on you within 48 hours."

The examinable point for prednisolone rescue packs: the patient must know the specific symptoms that trigger use (increased breathlessness + change in sputum colour OR fever) and must understand that GP review within 48 hours is expected. Vague "use if worse" instruction is insufficient.

7G — Psychosocial impact: disability, carer burden, and advance care planning

🤝

Living with progressive breathlessness — practical, psychological, and existential impacts

😔

Depression and Anxiety

Depression occurs in 40% of people with COPD — higher than in any other chronic disease — and is independently associated with worse outcomes, more frequent exacerbations, and reduced pulmonary rehabilitation engagement. Anxiety about breathlessness creates a cycle: fear → avoidance → deconditioning → more breathlessness → more fear.

PHQ-9 and GAD-7 should be completed at every annual COPD review. CBT specifically targeting breathlessness-related catastrophising is effective and evidence-based. NHS Talking Therapies referral for mild-moderate; specialist liaison psychiatry for severe or treatment-resistant depression in COPD.

"How has your mood been with all of this going on? Some people find that dealing with breathlessness has a big impact on how they're feeling in themselves — that's really common and we can help with that."

🏠

Independence and Functional Limitation

COPD progressively restricts the activities central to identity — gardening, walking the dog, playing with grandchildren, doing DIY. For a retired plumber who was physically active throughout his working life, this loss of physical capacity represents a profound change in identity and self-worth.

Occupational therapy assessment for home adaptations; stair rail, shower seat, energy conservation techniques. Pulmonary rehabilitation specifically addresses functional limitation through both physical reconditioning and psychological approaches to breathlessness management.

"What are the things you can't do now that you really miss being able to do? I'm asking because there are specific support services that can help with exactly those things."

👩

Partner and Carer Burden

The patient's wife has been worried enough to insist on this consultation — she is already carrying a significant carer burden. Involving her in the management plan (with the patient's consent) improves adherence, reduces carer anxiety, and ensures someone can recognise and respond to an acute exacerbation.

COPD carers often need their own psychological support — carer assessment through social services or the local COPD charity (British Lung Foundation / Asthma + Lung UK) can provide this. Annual carer review is a GP contractual requirement.

"Would your wife like to come in next time and hear about what the tests show and what we're planning? She clearly cares a great deal, and it often helps when both of you understand what to look out for."

📋

Advance Care Planning in Severe COPD

COPD is a life-limiting illness — GOLD stage 3–4 patients have a 5-year mortality comparable to many cancers. Yet advance care planning conversations are significantly delayed in COPD compared to cancer, leaving patients without documented wishes at the point of acute deterioration.

When functionally appropriate (GOLD 3–4), introduce advance care planning sensitively: "Some people with lung conditions like yours want to think ahead about what kind of care they'd want if they became very unwell — would that be something you'd feel comfortable discussing?" Document DNACPR status; ReSPECT form; preferred place of care.

"I don't want to get too far ahead of ourselves — but at some point, when you feel ready, it might be worth thinking about what would matter most to you if you became very unwell. There's no rush, and we'd do it at your pace."

7H — Follow-up schedule

1–2 Weeks — Investigation results review

Review spirometry (GOLD staging if COPD confirmed), CXR result, BNP, FBC, and U&E. If CXR shows mass or pleural effusion → referred on the suspected cancer pathway; confirm submission. If BNP elevated → arrange echo; start furosemide if symptomatic. If COPD confirmed → prescribe SABA, then LABA + LAMA if still breathless; smoking cessation confirmed. Check DVLA (HGV licence may be relevant).

Spirometry resultCXRBNP + echo planning

4–6 Weeks — COPD/HF treatment initiation review

Review response to new inhalers; inhaler technique check (demonstrate and correct if needed); smoking cessation engagement; alcohol reduction progress; PHQ-9 for depression; SpO₂ check; if HF — echo result review; HFrEF → start all four pillars (ACEi, beta-blocker, MRA, SGLT2 inhibitor); U&E 1–2 weeks after ACEi or MRA start.

Inhaler techniqueACEi U&E check

3 Months — Pulmonary rehab + secondary care

Pulmonary rehab referral status; confirm completion or engagement; specialist letter review (cardiology, respiratory, oncology); reassess MMRC dyspnoea grade; escalate inhaler therapy if exacerbations occurring (LABA + LAMA, or triple if severe/frequent exacerbations); write COPD self-management plan with patient.

PR referralSpecialist letter

Annual COPD review

Spirometry annually; PHQ-9; BMI; smoking status; exacerbation frequency (if ≥2/year or ≥1 hospitalisation → add ICS or escalate to triple therapy); SpO₂ when stable (≤92% → LTOT assessment referral); rescue pack review; vaccination review; advance care planning discussion if GOLD 3–4.

Annual spirometryLTOT assessment if stable SpO₂ ≤92%

7J — Safety-netting

⚠ Three scenario-specific safety-net phrases

🎓 SCA Checkpoint — Step 7 (Final)TasksRelating to OthersGlobal Skills

Closing the consultation

"To summarise: we're doing a breathing test, chest X-ray, and blood tests today. I'm also putting in a referral to the stop-smoking service, because that's the most important thing we can do for your lungs."

"If you notice any blood in your cough — even a small amount — come straight in the same day. Don't wait."

"I know it can feel overwhelming to hear that your breathing has been affected by the smoking. But the fact that you're here, and that we know about it now, means we can do a lot."

"Is there anything you'd like to ask, or anything that isn't clear from what we've talked about today?"

Deductions — closing

Not offering smoking cessation referral or medication at this consultation
Not triggering a suspected cancer pathway referral despite haemoptysis or weight loss in a smoker
Diagnosing COPD without spirometry
Giving generic rescue pack instructions without specific trigger criteria
Not addressing the patient's own minimisation of symptoms
Not involving or offering to involve the patient's wife

Tasks — full criteria

Pack-year calculation performed and documented
Spirometry, CXR, BNP, FBC, U&E planned as first-line workup
Suspected cancer pathway triggered if haemoptysis/weight loss present
COPD diagnosis not made without spirometry confirmation
Smoking cessation offered with specific medication (varenicline)
Rescue pack explained with specific trigger criteria

Relating to Others — full criteria

Symptom minimisation acknowledged non-judgementally
Smoking history addressed without blame or guilt
Patient's hidden concern (cancer) named and addressed sensitively
Partner involvement offered and explained
MMRC dyspnoea grade used to communicate severity meaningfully to patient
Closing question asked with genuine space for patient response

🔴 Red

No spirometry; no smoking cessation; haemoptysis not triggering a suspected cancer pathway referral; COPD diagnosed without test; generic safety-netting; patient concern not named

🟠 Amber

Spirometry planned; smoking cessation mentioned; rescue pack given without specific triggers; partner involvement not offered; closing question rushed

🟢 Green

Full workup planned; suspected cancer pathway referral triggered correctly; varenicline offered; COPD not diagnosed before spirometry; rescue pack with named triggers; patient's minimisation and hidden concern addressed empathetically; partner involvement offered

"My wife made me come. I've been fine — I just get a bit puffed going up the stairs. I've been smoking for 30 years so I suppose I've only got myself to blame."

Who you are

David Hartley, 63, retired plumber. You worked on pipe lagging (including asbestos pipe insulation) before the late 1980s, though you don't immediately mention this unless specifically asked about your work. You've been breathless climbing stairs for about 6 months, always have a cough in the mornings, and get a bit of phlegm — usually clear but sometimes yellow in winter. You have never coughed up blood. You drink a 750 mL bottle of wine most evenings plus a few beers at the weekend — about 20 units total.

Hidden concern

You are worried it might be lung cancer — your father died of it at 65, which is why you haven't wanted to come in. You won't say this unless asked: "Is there something specific you're worried this might be?" — at which point you'll say: "My dad died of lung cancer at 65. I've been putting off coming in because I'm not sure I want to know."

Symptoms if asked

Stairs: breathless after one flight — needs to stop and rest (MMRC grade 2–3)
Can lie flat; no ankle swelling noticed
Morning cough most days — phlegm usually clear
Has never coughed up blood — confirm this clearly if asked
Smoked 25/day for 30 years — quit 5 years ago
No chest pain; no weight loss noticed (but hasn't weighed himself)

Challenges

Resistant to change: "I've already given up smoking — what more can I do?" — respond if varenicline is offered: "Is there any point now?"
On alcohol: minimises unless asked directly — AUDIT-C score likely 5–6
If suspected cancer pathway referral is explained: becomes anxious — "Does that mean you think I have cancer?"
If wife's involvement is offered: softens immediately — "She'd appreciate that actually."

"Is this very serious then? I mean, what are we actually looking at here?"

Resolution: David engages if the candidate: (1) directly names and addresses his cancer fear; (2) addresses the smoking history non-judgementally and offers cessation support even now ("quitting helps even after 30 years"); (3) involves his wife sensitively; (4) explains the suspected cancer pathway referral honestly but without creating certainty about cancer diagnosis; (5) gives him a concrete action today. He is put off by excessive clinical detachment or premature reassurance.

🏥

Clinic Quick Reference

Breathlessness — Clinical Decision Framework

NICE NG115 COPD (2018, updated 2019) · NICE NG106 HF (updated 2025) · NICE NG245 Asthma (2024)

▼expand

📊 1 — Key Numbers

FEV₁/FVC <0.7

Post-BD → COPD confirmed (plus symptom match)

SpO₂ <94%

Supplemental O₂ target; <88% = immediate action

NT-proBNP >400

ng/L → specialist + echo within 6 weeks

NT-proBNP >2000

pg/mL → echo within 2 weeks (NICE NG106)

Wells >4

PE → CTPA directly (no D-dimer)

12% + 200mL

FEV₁ reversibility supporting asthma (NICE NG245)

🚦 2 — Triage Algorithm

Patient presents with breathlessness → SpO₂ immediately

↓

🔴 Emergency → 999

SpO₂ under 88% at rest
Massive PE with haemodynamic instability
Acute pulmonary oedema (pink frothy sputum)
Acute life-threatening asthma (PEFR <33%)
Stridor or airway obstruction

999 immediately — oxygen and support

🟠 Urgent — same day to 2 weeks

Unexplained haemoptysis aged ≥40 → suspected cancer pathway (NICE NG12)
SpO₂ 88–94% (stable) → same-day secondary care
Wells >4 for PE → same-day CTPA
New significant effusion on CXR
Decompensated HF — volume overloaded

Appropriate specialist or same-day referral

🟢 Routine — GP management

Stable COPD reassessment (spirometry)
New asthma (objective tests, then ICS/formoterol AIR)
Well-controlled HF — monitoring
Anxiety-related breathlessness after exclusion

Spirometry, CXR, BNP, FBC, U&E as first-line

💊 3 — COPD Drug Ladder

GOLD 1 (FEV₁ ≥80%): SABA PRN + smoking cessation + vaccines
GOLD 2 (FEV₁ 50–79%): SABA PRN; LABA + LAMA if still breathless (LAMA alone in selected patients) + pulmonary rehab + rescue pack if suitable
GOLD 3 (FEV₁ 30–49%): LABA + LAMA; triple (LABA+LAMA+ICS) if asthmatic features with persisting symptoms, or 1 severe / 2 moderate exacerbations a year + pulmonary rehab + respiratory referral
GOLD 4 (FEV₁ <30%): Inhalers by the NG115 ladder + LTOT assessment (stable SpO₂ ≤92%) + palliative care discussion + respiratory specialist

⚠ 4 — Safety Netting

🎓

SCA Quick Reference

SCA Consultation Blueprint

▼expand

🕐 12-Minute Consultation Flow

0–2 min

Open + SpO₂

"Before I ask you anything specific, I want to do a quick check of your oxygen levels — then can you tell me in your own words what the breathlessness is like?"

TasksGlobal Skills

✗ SpO₂ not checked first · ✗ Starting with closed questions

2–5 min

History Characterisation

"When did it start? Can you lie flat? Any blood in the cough? What did you do for work — any dust or asbestos? How many cigarettes a day and for how many years?"

TasksRelating to Others

✗ Pack-years not calculated · ✗ Haemoptysis not asked · ✗ Occupational history skipped

5–7 min

ICE + Examination

"Is there something specific you've been worried this might be? I want to do a chest examination and check your blood pressure now."

TasksRelating to Others

✗ Cancer fear not named · ✗ JVP not assessed in HF query

7–10 min

Diagnosis + Investigations

"Based on your history, COPD seems most likely — but I can't be certain without the breathing test. I'm also arranging a chest X-ray and blood tests to make sure we're not missing anything else."

Tasks

✗ Diagnosing COPD without spirometry · ✗ D-dimer in high-Wells patient · ✗ No suspected cancer pathway referral for haemoptysis

10–12 min

Management + Safety-Net

"The most important thing we can do today is arrange the stop-smoking support — it makes a real difference even now. If you notice blood in your cough at any point, come in the same day."

TasksRelating to OthersGlobal Skills

✗ Smoking cessation not offered · ✗ Generic safety-netting · ✗ No closing question

🚫 8 Danger Zones

✗

Diagnose COPD without spirometry
→ "I think COPD is the most likely cause, but we need the breathing test to confirm it before I can say for certain"

✗

Miss haemoptysis trigger for a suspected cancer pathway referral
→ Always ask explicitly: "Have you ever noticed any blood in your phlegm — even a streak?" If yes + over 40 + smoker → suspected cancer pathway referral

✗

Not quantifying smoking in pack-years
→ Calculate: (cigarettes/day ÷ 20) × years smoked = pack-years. Over 30 = high risk

✗

Miss occupational asbestos history in a plumber
→ "What did you work with — were you ever exposed to asbestos, dust, or chemical fumes?"

✗

Order D-dimer in high Wells PE patient
→ Wells >4 → CTPA directly; D-dimer will be positive non-specifically and adds no value

✗

Not checking SpO₂ in the first 2 minutes
→ Pulse oximetry is mandatory and must be the first objective measurement in any breathless patient

✗

Smoking cessation not offered
→ Offer at every consultation; stopping now (even after 30 years) halves the rate of further FEV₁ decline

✗

Rescue pack without specific trigger criteria
→ "Use if breathlessness worsens AND sputum turns yellow or green — same day, and ring us within 24 hours"

Breathlessness · GP Clinical Reasoning Framework v2 · NICE NG115 COPD (2018, updated 2019) · NICE NG106 Chronic heart failure (2018, updated September 2025) · NICE NG245 Asthma (2024, joint with BTS and SIGN) · NICE NG158 Venous thromboembolic diseases (2020, updated 2023) · UPLIFT Trial (Tashkin et al., NEJM 2008) · DVLA Assessing Fitness to Drive (2024)

Teaching clinicians why each step matters — not just what to do · Always consult current SPC · Clinical judgement takes precedence · DVLA standards verified at GOV.UK at the point of use

Breathlessness

Red Flags — must not miss

🚬 Smoking, Identity, and Guilt

👴 Symptom Minimisation — Stoic Male

🚶 Activity Limitation and Loss of Role

🍺 Alcohol and Self-Medication

🏠 Housing and Environmental Factors

💊 Medication Adherence and Inhaler Technique

999 or A&E Immediately

Same-Day / 2-Week Assessment

Primary Care Management

COPD (post-bronchodilator FEV₁/FVC <0.7)

Asthma

Heart Failure (with GP initiation)

Lung Cancer

Mesothelioma

Pulmonary Fibrosis (IPF)

Severe / Very Severe COPD (GOLD 3–4)

Pulmonary Embolism (massive or submassive)

Acute Severe / Life-Threatening Asthma

Acute Pulmonary Oedema (HF decompensation)

Validate

Explain

Negotiate

Depression and Anxiety

Independence and Functional Limitation

Partner and Carer Burden

Advance Care Planning in Severe COPD

1–2 Weeks — Investigation results review

4–6 Weeks — COPD/HF treatment initiation review

3 Months — Pulmonary rehab + secondary care

Annual COPD review

⚠ Three scenario-specific safety-net phrases

🎭 Patient actor brief — click to practise

Who you are

Hidden concern

Symptoms if asked

Challenges