|Articles|August 6, 2021
Pharmacy Clinical Pearl of the Day: COPD and FEV1/FVC
Author(s)Saro Arakelians, PharmD
Forced exhalation volume in one second and forced vital capacity can determine the stage severity for chronic obstructive pulmonary disease.
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Clinical Pearl of the Day: COPD and forced exhalation volume in 1 second (FEV1)/forced vital capacity (FVC).
FEV1 and FEV1/FVC can determine the stage severity for COPD disease.
Explanation
- The above stages can be determined based on the FEV1/FVC ratio, as well as FEV1 numbers.
- FEV1: volume expired in the first second of maximal expiration after a maximal inspiration.
- FEV1/FVC: FEV1 expressed as a percentage of the FVC, gives a clinically useful index of airflow limitation.
Reference:
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