A 62-year-old man with a 45-pack-year smoking history reports chronic cough and progressive exertional dyspnea. Examination shows prolonged

Question

A 62-year-old man with a 45-pack-year smoking history reports chronic cough and progressive exertional dyspnea. Examination shows prolonged expiration. Chest radiograph is unremarkable. Which of the following is the most appropriate next step?

Accepted Answer

Postbronchodilator spirometry

Answer

Sputum culture for tuberculosis

Answer

Methacholine challenge as the first test

Answer

Serum alpha-fetoprotein measurement

Answer

Peak flow diary as definitive diagnosis

COPD diagnosis — ABFM Board MCQ

A 62-year-old man with a 45-pack-year smoking history reports chronic cough and progressive exertional dyspnea. Examination shows prolonged expiration. Chest radiograph is unremarkable. Which of the following is the most appropriate next step?