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Asheboro, NC
A 18-year-old male asked:

if i have a complete pft scheduled for tomorrow, does that mean they will draw blood? or do they have other means to measure that.

1 doctor answer1 doctor weighed in
Dr. Jeffrey Rosch
Allergy and Immunology 49 years experience
Breathing test: Pulmonary function test (pfts) are non-invasive breathing studies done with a computer. You breathe into it according to the direction of the technician and it measures the volume of air and forces during breathing. Often then you breath in a medicine that relieves airway spasm (bronchodilator) to measure any changes resulting. Another part of the test measures gas exchange at the alveolar level.

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Last updated May 10, 2013

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