A 67-year-old woman has pulmonary function tests performed to evaluate symptoms of dyspnea. The most prominent finding is a reduction of the ratio of FEV1/FVC. Which of the following is the most likely diagnosis?
Correct Answer: COPD
Description: The VC is reduced in emphysema, but the FEV1 is grossly reduced because of high airway resistance. In predominant emphysema, diffusing capacity is more profoundly decreased than in predominant bronchitis.
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