A 68-year-old former smoker presents with progressive exertional dyspnoea and chronic cough. Post-bronchodilator spirometry shows FEV1 1.4 L (55% pred...

Question

A 68-year-old former smoker presents with progressive exertional dyspnoea and chronic cough. Post-bronchodilator spirometry shows FEV1 1.4 L (55% predicted), FVC 2.3 L (75% predicted), and FEV1/FVC ratio 0.61. What is the most appropriate interpretation of these spirometry findings?

Accepted Answer

Obstructive defect consistent with chronic obstructive pulmonary disease

Answer

Normal spirometry

Answer

Restrictive ventilatory defect

Answer

Mixed obstructive and restrictive pattern

Answer

Test is non-diagnostic and should be repeated only if symptoms progress

au-amc MCQ (SBA): Chronic obstructive pulmonary disease

A 68-year-old former smoker presents with progressive exertional dyspnoea and chronic cough. Post-bronchodilator spirometry shows FEV1 1.4 L (55% predicted), FVC 2.3 L (75% predicted), and FEV1/FVC ratio 0.61. What is the most appropriate interpretation of these spirometry findings?