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COPD — UKMLA MCQ

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EasyRespiratory medicineCOPDUKMLA

A 70-year-old woman with COPD presents with an acute exacerbation: purulent sputum and increased dyspnoea. According to NICE guidelines, which organism is most commonly implicated in bacterial exacerbations of COPD?

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Correct answer: A — Haemophilus influenzae

Haemophilus influenzae is the most common bacterial cause of acute COPD exacerbations. S. pneumoniae and M. catarrhalis are also possible, but H. influenzae is classically cited as most frequent.

Reference: NICE COPD