A 40-year-old man complains of shortness of breath. He does not - TopicsExpress



          

A 40-year-old man complains of shortness of breath. He does not smoke and has had no chemical exposure. He was in great physical condition until 3 months ago when he developed overwhelming fatigue and muscle weakness. Pulmonary function tests (PFTs) reveal that there is a relatively greater diminishment in functional vital capacity (FVC) relative to forced expiratory volume in 1 second (FEV1), producing a FEV1/FVC ratio that is greater than the normal 0.70. Which of the following is the most likely diagnosis? A. Asthma B. Bronchitis C. Chronic obstructive pulmonary disease D. Emphysema complicated by cor pulmonale E. Pulmonary fibrosis
Posted on: Thu, 04 Jul 2013 12:44:13 +0000

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