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
A Valsalva maneuver is not normally harmful. But it may cause
irregular heart rhythms in some people who have certain types of heart
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.
How this information was developed to help you make better health decisions.