Cases/Respiratory Health

Worsening COPD On Triple Therapy — Free SCA Practice Case

Worsening COPD on Triple Therapy

Station Timer

12:00

Golden Minute

Initial Introduction

•Introduce yourself

•Ask an open question — "How can I help you today?"

•Listen — don't interrupt

•Catch early cues

Data Gathering

History, ICE & Diagnosis

Clinical Management

Diagnosis, Plan & Decisions

Safety Net

Follow-up & Close

12:00

Golden Minute

Materials for Candidate

Please review before starting the consultation

Patient Profile

Full Name

Arthur Pendelton

Age

68 years

Consultation Type

Telephone

Age

68 (DOB: 14/08/1957)

Situation

Telephone Consultation.

Reason for Encounter

"Patient booked a routine telephone review. Notes state: 'My COPD is getting worse. The triple inhaler isn't working anymore, coughing a lot and struggling to breathe.'"

Medical Records

●PMH: Severe COPD (diagnosed 8 years ago, latest FEV1 45%), Hypertension, Osteoarthritis.
●Medications: Trelegy Ellipta (Fluticasone furoate/Umeclidinium/Vilanterol) 1 puff OD, Salbutamol CFC-free 100mcg PRN, Amlodipine 5mg OD.
●Allergies: NKDA.

Recent Notes

●Annual COPD review 4 months ago: Stable. MRC Dyspnoea scale 3. No exacerbations in the last 12 months. Fully compliant with Trelegy.

Patient Script

For the friend playing the patient role

Character Overview: You are Arthur, a 68-year-old retired mechanic. You have had COPD for years and know the drill. You are currently on the "maximum" inhaler (a triple therapy device), which kept you totally stable for the last year. However, over the last 6 to 8 weeks, things have changed. Your cough has become much more persistent and deeper. Your breathing is worse—you used to be able to walk to the end of the road, but now you have to stop halfway. You feel exhausted all the time.

ICE — Ideas, Concerns, Expectations

(Do not volunteer any of this unprompted. These responses surface only when the candidate directly explores the patient's perspective.)

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Ideas: You are convinced this is just your COPD getting worse — perhaps a stage progression, or a stubborn chest infection that has taken hold. You've had flare-ups before and this feels like a bad one. The thought of anything else hasn't really crossed your mind — or rather, you won't let it.
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Concerns: Deep down, buried under the denial, you are terrified of lung cancer. You've smoked since you were 16 and you know the risks — you've lost friends to it. But you will not voice this fear unless the doctor gently draws it out. If pressed: "I suppose... in the back of my mind... I know what smoking does. I've seen mates go through it. But I just keep telling myself it's the COPD."
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Expectations: You want the doctor to send a rescue pack — prednisolone and antibiotics — straight to the pharmacy so you can get on top of this like you have before. If pushed, you'd accept a nebuliser. You do not want to be told you need investigations or hospital appointments.

Consultation Flow & Responses:

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The Opening:
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If the doctor asks an open question: "Morning Doctor. Look, my chest is really playing up. That triple inhaler you put me on last year just isn't cutting it anymore. The cough is constant, and I'm puffing just walking to the bathroom. I think I need a course of those steroid tablets and some antibiotics, or maybe a nebuliser."
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Data Gathering (The Layers):
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Layer 1: The Timeline (Subacute vs. Acute):
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If asked how long this has been going on: "It's not like my usual flare-ups that happen overnight. This has been slowly creeping up on me for about six or eight weeks. Just gradually getting worse and worse."
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Layer 2: The Red Flag Screen (Crucial Step):
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If asked about weight loss or appetite: "Well, my appetite hasn't been great. Food just tastes a bit like cardboard lately. And yeah, I suppose I have lost a bit of timber. I've had to pull my belt in three notches."
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If asked about blood in the phlegm/sputum: You pause, sounding reluctant. "Well... I did see a few streaks of bright red blood when I coughed on Tuesday. But I just figured I'd burst a blood vessel from coughing so hard."
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Layer 3: Smoking Status & ICE:
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Smoking status: You are a lifelong smoker (20 a day since age 16)
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If asked what you are hoping for today: "Like I said, I just want a rescue pack to clear this up. Just send the steroids to the pharmacy."

If Asked — Medical History and Medications

(Actor guidance — respond only when the candidate specifically asks about these items.)

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If asked about your COPD history: "Had it about eight years now. They told me last time my lung function was about 45 percent — that's severe, they said. I had a review about four months ago and the doctor said everything was stable. No flare-ups for a whole year before this."
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If asked about the Trelegy inhaler: "I take one puff every morning, the Trelegy Ellipta. Been on it about a year. It was brilliant up until recently — kept everything under control. I take it properly, I'm not missing doses or anything."
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If asked about salbutamol / blue inhaler: "I've got the blue one for emergencies. I'm having to use it a lot more now — three or four times a day sometimes, when before I'd barely touch it."
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If asked about blood pressure / amlodipine: "I take a little blood pressure tablet every morning — amlodipine. Been on that for a while. No problems with it."
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If asked about osteoarthritis: "My knees are a bit creaky — years under cars will do that. I take paracetamol for it when it's bad but it doesn't really bother me much at the moment."
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If asked about allergies: "No, no allergies to anything as far as I know."

Social History and Lifestyle Impact

(Actor guidance — volunteered naturally when the conversation touches on daily life or how the symptoms are affecting you.)

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Occupation / daily life context: You are retired from 40 years as a motor mechanic. You live alone since your wife passed five years ago. You have a daughter who lives nearby and checks in on you. Your daily routine used to revolve around pottering in the garage, walking to the bookies, and having a pint at the local on Fridays.
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Lifestyle impact of the condition: The deterioration has fundamentally changed your day-to-day life. If the topic arises naturally or the doctor asks: "I used to walk down to the bookies most afternoons — it's only ten minutes — but I can't do it anymore. I have to stop three or four times and I'm gasping by the time I get there. I've stopped going. I just sit in the chair most of the day now. My daughter brought me shopping last week because I couldn't manage it. That's never happened before. I feel like an old man, Doctor, and I didn't used to."

If Asked — Associated Symptoms

(Actor guidance — respond only when the candidate asks directly about these symptoms.)

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If asked about weight loss: Your trousers are very loose, and you've had to tighten your belt by three notches over the last two months.
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If asked about haemoptysis: A few days ago, you coughed up some phlegm with bright red streaks of blood in it. You are in deep denial about the red flags. You are a lifelong smoker (20 a day since age 16) and you absolutely do not want to think about cancer. You have convinced yourself that your COPD has simply "progressed" or that you have a stubborn chest infection. You just want the doctor to prescribe a rescue pack of steroids and antibiotics, or perhaps a nebuliser machine. You will not volunteer the weight loss or the blood in your phlegm unless the doctor specifically asks direct red flag questions.
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If asked about night sweats: "Now you mention it, yeah — I've been waking up drenched a few times a week. I've been putting it down to the house being too warm but my daughter says the heating's fine."
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If asked about chest pain: "No real chest pain. It aches a bit from all the coughing, like my muscles are sore, but nothing sharp or crushing."
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If asked about fever or feeling feverish: "No, I don't think I've had a temperature. I don't feel hot or shivery or anything like that."
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If asked about leg swelling / ankle oedema: "No, my legs and ankles look normal. No swelling."
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If asked about voice changes or hoarseness: "No, my voice is the same as always."
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If asked about difficulty swallowing: "No, no trouble swallowing — I just don't fancy food much at the moment."
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If asked about bone pain or back pain: "No, nothing like that. Just the usual creaky knees."
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If asked about headaches or neurological symptoms: "No, no headaches or anything funny like that."
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If asked about wheeze: "Yeah, I can hear myself wheezing at night when I lie down. It's worse than it used to be."
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If asked about sputum colour or volume: "It's thicker than usual — greenish-yellow most of the time. There's more of it too, I'm coughing it up all day."
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If asked about orthopnoea or PND (waking up breathless): "I do prop myself up on two pillows now. I haven't woken up gasping exactly, but I'm definitely more comfortable sitting up."
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If asked about exercise tolerance in more detail: "I used to manage the walk to the end of the road and back — about five minutes each way — no bother. Now I can barely make it halfway before I have to stop and catch my breath."
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If asked about recent chest infections or courses of antibiotics: "No, I haven't had any antibiotics or steroids this year. That's what makes this odd — I was fine until about six weeks ago."

Negotiation & Collaborative Management Plan:

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If the Doctor just prescribes a Rescue Pack (Steroids/Antibiotics):
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Reaction: "Brilliant, thanks Doc. I'll pick them up this afternoon." (Candidate critically fails for anchor bias, missing lung cancer red flags, and inappropriate prescribing).
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If the Doctor suggests stepping up COPD therapy (e.g., Azithromycin or Nebulisers):
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Reaction: "A nebuliser? Great, my mate has one of those and swears by it." (Candidate critically fails for treating uninvestigated red flags).
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If the Doctor asks you to come in for an urgent chest X-ray or mentions a 2-week cancer referral:
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Reaction: Suddenly very anxious and defensive. "An urgent X-ray? Cancer pathway? Hold on a minute, it's just my COPD playing up! Are you telling me I've got lung cancer?"
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If the Doctor handles the anxiety with empathy and candor:
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Reaction: "I suppose you're right. Better to be safe. It's just... it's what I've always dreaded, you know? Okay, I'll go to the hospital for the X-ray today."

Mark Scheme

Domain 1: Data Gathering and Diagnosis

0 / 20 indicators checked+0−0

Positive (0/10)

Negative (0/10)

Domain 2: Clinical Management and Medical Complexity

0 / 18 indicators checked+0−0

Positive (0/9)

Negative (0/9)

Domain 3: Relating to Others

0 / 16 indicators checked+0−0

Positive (0/8)

Negative (0/8)

Clinical Learning Points

1. Anchor Bias and the Stable-on-Triple-Therapy Rule

●Anchor bias is the single most dangerous cognitive error in this case: patients with established severe COPD frequently present with cough and breathlessness, making it reflexively easy to attribute any deterioration to an acute exacerbation (AECOPD).
●The critical diagnostic trigger is subacute deterioration over 6–8 weeks in a patient already maximised on triple therapy (LABA/LAMA/ICS). This pattern is incompatible with a simple infective AECOPD, which typically evolves over days and responds to a rescue pack.
●When a patient stable on triple therapy deteriorates subacutely, the working hypothesis must shift immediately: stop treating the COPD and start hunting for an underlying cause — principally lung cancer or cor pulmonale.
●The SCA deliberately designs these cases around patients on maximum inhaled therapy precisely to test this reflex.

2. Lung Cancer Red Flags: What to Screen for and Why

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In any patient with established COPD who deteriorates subacutely, a full cancer red flag screen is mandatory. The three concealed red flags in this case are:
- ●Haemoptysis — bright red blood streaking in sputum; the patient will not volunteer this.
- ●Unintentional weight loss — belt tightened by three notches over two months represents clinically significant weight loss.
- ●Night sweats — drenching sweats several nights a week; a systemic constitutional symptom consistent with malignancy.
●Smoking history is the key contextual risk factor. Arthur has smoked 20 cigarettes a day since age 16 — a pack-year history exceeding 50. This alone places him in the highest-risk group for lung cancer.
●Do not rely on the patient to volunteer red flags. Patients in denial will rationalise every symptom. You must ask directly and explicitly.

3. NICE NG12 — Urgent 2-Week Wait Referral for Suspected Lung Cancer

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NICE NG12 sets the referral threshold clearly: refer urgently (2-Week Wait pathway) for a chest X-ray or direct respiratory clinic referral when:
- ●A patient aged 40 or over presents with unexplained haemoptysis.
●Arthur meets this single criterion immediately. The additional findings of unintentional weight loss and night sweats in a 50+ pack-year smoker make the 2WW referral an absolute clinical imperative, not a discretionary decision.
●In most localities, the 2WW pathway for suspected lung cancer initiates with an urgent CXR, with CT thorax to follow if the CXR is abnormal or clinical suspicion remains high despite a normal film.
●Prescribing a rescue pack (steroids and antibiotics) in the presence of uninvestigated haemoptysis is a critical patient safety failure. Corticosteroids can temporarily suppress the inflammatory response around a tumour, potentially masking the radiological picture and delaying diagnosis.
●If the CXR is normal but clinical suspicion is high (haemoptysis + weight loss + night sweats + heavy smoking history), escalation to CT chest is indicated — a normal CXR does not exclude lung cancer.

4. COPD Pharmacotherapy Ceiling and Next Steps

●Triple therapy (ICS/LABA/LAMA — e.g. Trelegy Ellipta) represents the pharmacological ceiling of inhaled COPD treatment. There is no step above this within the inhaler pathway.
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If a patient is genuinely refractory to triple therapy (i.e. red flags have been excluded), NICE COPD guidelines (NG115) recommend the following escalation options via respiratory specialist referral:
- ●Prophylactic Azithromycin (250mg three times weekly or 500mg once daily) for patients with frequent exacerbations — requires baseline ECG (to exclude prolonged QTc), sputum culture (to exclude non-tuberculous mycobacteria), and audiometry.
- ●Roflumilast (PDE4 inhibitor) for patients with severe COPD, chronic bronchitis, and frequent exacerbations — not suitable for patients with low BMI.
- ●Pulmonary Rehabilitation (PR) — the single most evidence-based non-pharmacological intervention for COPD. Indicated for MRC Dyspnoea Scale ≥3 (Arthur scores 3). All eligible patients should be referred; many GPs under-refer.
- ●Long-Term Oxygen Therapy (LTOT) assessment for those with resting hypoxaemia (PaO₂ ≤7.3 kPa on room air, or ≤8.0 kPa with polycythaemia or cor pulmonale) — requires two ABG measurements at least three weeks apart when clinically stable.
- ●Nebulised bronchodilators — only on specialist recommendation after confirming that inhaler technique is optimised and device preference has been assessed.
●In Arthur's case, none of these escalations are appropriate until the red flags have been fully investigated. Do not escalate COPD therapy in the presence of uninvestigated cancer red flags.

5. Cor Pulmonale — A Recognised Complication of Severe COPD

●Cor pulmonale (right ventricular failure secondary to chronic pulmonary hypertension) is a direct complication of severe COPD, particularly at FEV1 ≤50%.
●Screen for it in any patient with severe COPD and worsening dyspnoea by asking about: new ankle or leg swelling, increased orthopnoea, and change in exercise tolerance pattern.
●In Arthur's case, the absence of ankle oedema and the subacute rather than episodic nature of the deterioration make cor pulmonale less likely as the primary driver — but it remains part of the differential in any patient with FEV1 45% and worsening breathlessness.

6. Smoking Cessation — A Clinical Obligation, Not a Lifestyle Suggestion

●NICE NG115 (COPD in over-16s) mandates that smoking cessation be offered and actively supported at every clinical contact in patients who smoke.
●For Arthur, smoking cessation is the single most impactful intervention available regardless of the outcome of the cancer investigation. Continued smoking accelerates COPD progression, increases malignancy risk, and impairs any future oncological treatment.
●
Do not raise this perfunctorily. A passing mention ("you really should think about stopping") does not constitute a meaningful offer. The offer should include:
- ●Acknowledgement of the difficulty of stopping
- ●Referral to NHS Stop Smoking Services
- ●Pharmacological support: Varenicline (first-line; avoid in unstable psychiatric illness), NRT (patches, gum, or combination), or Bupropion as an alternative
●Frame it constructively: the best time to stop is now, regardless of what the investigation shows.

7. Safety Netting — Two Separate Nets Required

●Emergency safety net (massive haemoptysis): Arthur must be told explicitly that if he coughs up a large volume of blood (approximately a tablespoon or more), or develops sudden severe breathlessness at rest, he must call 999 immediately. Massive haemoptysis is a medical emergency requiring urgent hospital management. This instruction must be specific — "call back if you get worse" is inadequate.
●Systemic safety net (referral follow-through): Tell Arthur that if he has not been contacted by the hospital within 7 days to arrange the investigation, he must call the surgery so the referral can be chased. Referral pathways can fail; the patient needs a named action he can take if the system does not respond.
●GP follow-up: Agree a specific scheduled GP review — for example, a telephone appointment in 14 days — to review scan results and ensure Arthur is not left to navigate the secondary care pathway alone.

8. Disclosing Cancer Suspicion — The Legal and Clinical Standard

●GPs have both a legal and ethical obligation to explain to a patient why an urgent cancer referral is being made. Using vague language ("routine checks", "precautionary measures") to avoid distress is a communication failure — it leaves the patient unable to understand the gravity of the situation and increases the risk of non-attendance.
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The clinical standard is honest, proportionate disclosure — naming the concern without stating a diagnosis:
- ●"Arthur, the reason I need to do this urgently is that these specific symptoms — the blood in your phlegm and the weight loss — can sometimes be a sign of a problem on the lung, including cancer. I'm not telling you that is what this is. But I need to find out urgently so we aren't taking any chances."
●Use a warning shot before delivering this information. Do not blurt out the cancer pathway without preparation.
●After disclosing, pause and acknowledge the emotional response before continuing with logistics. The patient will need a moment.
●Given that Arthur lives alone, consider suggesting that he has his daughter present when he attends the hospital for the investigation.

Free MRCGP SCA practice case for GP registrars covering Worsening COPD On Triple Therapy — Respiratory Health. Includes candidate brief, patient script, marking scheme mapped to the RCGP SCA marking domains, and learning points. Built directly from the RCGP curriculum topic stations listed under "How this might be tested in the MRCGP SCA," part of a free library of 79 SCA practice cases for simulated consultation assessment preparation.

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