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Lung Disease & Respiratory Health Center

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Forced Expiratory Volume and Forced Vital Capacity - Topic Overview

Forced expiratory volume (FEV) measures how much air a person can exhale during a forced breath. The amount of air exhaled may be measured during the first (FEV1), second (FEV2), and/or third seconds (FEV3) of the forced breath.

Forced vital capacity (FVC) is the total amount of air exhaled during the FEV test.

Recommended Related to Lung Disease/Respiratory Problems

Pulmonary Arterial Hypertension

Pulmonary hypertension is a life-threatening condition that gets worse over time, but treatments can help your symptoms so you can live better with the disease. It may take some planning, but plenty of people who have it find ways to do all the things they love, just as they did before they were diagnosed. Having pulmonary arterial hypertension (PAH) means that you have high blood pressure in the arteries that go from your heart to your lungs . It's different from having regular high blood pressure...

Read the Pulmonary Arterial Hypertension article > >

Forced expiratory volume and forced vital capacity are lung function tests that are measured during spirometry. Forced expiratory volume is the most important measurement of lung function. It is used to:

WebMD Medical Reference from Healthwise

Last Updated: September 09, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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