Respiratory singletons (occupational, pertussis)

Appears 2×

Teaching point

To distinguish occupational/parenchymal disease from asthma -> DLCO (reduced in parenchymal disease, normal/raised in asthma); FEV1/FVC defines obstruction. Whooping cough -> nasopharyngeal swab PCR (early).

🔒 This is premium content

Unlock the teaching point, every stem variant and the answer keys for all specialties with a subscription.