Exercise 20:

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 1 150   47.3  
FVC 1 250   42.9  
FEV1/FVC (%) 92.0      
(Check the answer).