Correct!
5. All of the above

The dyspnea and chronic nonproductive cough both suggest a pulmonary source of his complaints and a chest x-ray and PFTs would be indicated. An ECG will probably show a normal sinus rhythm given the regular pulse but given his history of atrial fibrillation is probably indicated.

His ECG is normal. Chest X-ray shows mild interstitial changes at the bases and his PFTs are in table 1.

Table 1. Complete pulmonary function testing (PFTs).

Which of the following is the best interpretation of the PFTs? (Click on the correct answer to be directed to the third of six pages.)

1. Moderate restrictive disease
2. Moderate obstructive disease
3. Moderately reduced diffusing capacity
4. 1 and 3
5. All of the above

Home/Pulmonary