Respiratory Disorders Community
FVC decreased after medication
About This Community:

This patient support community is for discussions relating to lung and respiratory issues, allergies, asthma, bronchitis, colds/flu, chronic cough, COPD, lung abscess, nasal polyps, pleurisy, pneumonia, sarcoidosis, and tuberculosis.

Font Size:
A
A
A
Background:
Blank
Blank
Blank
Blank Blank

FVC decreased after medication

I had my first PFT the other day. My premed FVC was 2.91/85% and my postmed FVC was 1.89/55%. Why did the FVC go down after medication? And the interpretations said that my PREMED indicates normal  spirometry and my POSTMED indicates moderate restriction. I'm confused with these results. Can you tell me why after meds I would be worse then before meds.
Avatar_dr_f_tn
Hello and hope you are doing well.

The test values  should not come down after the medication, it could be due to faulty technique. The normal spirometry values are FVC-80-120% and FEV-80-120%. You can repeat the test to confirm.

Hope this helped and do keep us posted.
Blank
Post a Comment
To
Blank
Weight Tracker
Weight Tracker
Start Tracking Now
Respiratory Disorders Community Resources
RSS Expert Activity
233488_tn?1310696703
Blank
Marathon Running Done Over Many Yea...
18 hrs ago by John C Hagan III, MD, FACS, FAAOBlank
233488_tn?1310696703
Blank
New Article on Multifocal IOL vs &q...
18 hrs ago by John C Hagan III, MD, FACS, FAAOBlank
748543_tn?1371753642
Blank
TMJ/TMJ The Connection Between Teet...
Jan 27 by Hamidreza Nassery , DMD, FICOI, FAGDBlank
Top Respiratory Disorders Answerers
Avatar_m_tn
Blank
jimgreg
piqua, OH