Valsalva Manoeuvre

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

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

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

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