A member asked:

How might the respiratory volumes on the spirogram be affected by asthma?

A doctor has provided 1 answer
Dr. Marc Serota answered

Specializes in Dermatology

FEV1 decrease: The primary marker is a decrease in the FEV1. This typically reverses by at least 12% following administration of albuterol (a bronchodilator).

Answered 12/27/2014

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