Exercise 12:

In the light of the information tabulated below, what can you say about this patient?

(You may consult the Information Page).

  Pre-B.D. Post-B.D. % Predicted % Change
FEV1 840 970 27.6 15.5
FVC 3 540 3 840 96.1  
FEV1/FVC (%) 23.9 25.2    
(Check the answer).