AssessmentsRestrictive lung diseases
Restrictive lung diseases
USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 67-year-old man with a history of cigarette smoking presents to his family doctor with progressive shortness of breath and cough. He came in three months ago with similar symptoms and was started on treatment with bronchodilators for a presumed diagnosis of chronic obstructive pulmonary disease (COPD). His past medical history is only significant for rheumatoid arthritis, for which he takes methotrexate. On examination, there are bibasilar crackles and finger clubbing. The patient’s pulmonary function tests from 30-years-ago are shown below:
Which of the following pulmonary function test findings is now most likely?