When comparing the 2 largest FVCs,what should their value be to ensure that there is reproducibility in the spirometry results?
A) Within 200 ml of each other
B) 20% before and after bronchodilator
C) At least 3.0 L
D) Within 21.432 ml of each other

Question

Quizplus · Accepted Answer

The two largest FVCs from acceptable maneuvers should not vary by more than 0.200 L,and the two largest FEV₁s from acceptable maneuvers should not vary by more than 0.200 L.

When Comparing the 2 Largest FVCs,what Should Their Value Be