A female asked:
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what does a result of 0.94 (61% predicted) fef75% mean in a 46 year old female with all other normal pft values?

1 doctor answer
Dr. Saptarshi Bandyopadhyay
20 years experience Hospital-based practice
Complex question.: 1 abnormality out of many may not represent anything except procedural error (problem with the test, not you). But that depends on the symptoms which prompted the test in the 1st place. FEF75% is forced expiratory flow rate 3/4th (75%) into the breathing cycle. You have to interpret in context of the pictures & other numbers. Use HealthTap Prime or talk to ordering physician to discuss concerns.
Answered on Jan 28, 2017

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