A member asked:

Why might a person pass out during pulmonary functional testing?

A doctor has provided 1 answer
Dr. Luis Taylor answered

Specializes in Pulmonology

Though very rare,: a patient performing the breathing test could develop a Vaso-vagal reflex and cause fainting. Hyperventilating in some cases can also cause light headedness .

Answered 11/28/2015

1.9k views

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