Valsalva maneuver

A Valsalva maneuver is an effort to exhale without letting air escape through the nose or mouth. People often use a Valsalva maneuver during some common activities, such as straining to have a bowel movement or blowing a stuffy nose.

A Valsalva maneuver is not normally harmful but it may cause irregular heart rhythms in some people who have certain types of heart disease.

A person may be asked to do a Valsalva maneuver during certain medical tests or exams. During the test, a person is asked to try to breathe using the stomach muscles and diaphragm but not let any air out through the nose or mouth.

Last Updated: September 17, 2008

Author: Robin Parks, MS

Medical Review: Caroline S. Rhoads, MD - Internal Medicine & Stephen Fort, MD, MRCP, FRCPC - Interventional Cardiology

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