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Heart valves

Heart valves

Overview

The valves of the heart open and close to control the flow of blood entering or leaving the heart.

Review Date 10/1/2017

Updated by: Gordon A. Starkebaum, MD, Professor of Medicine, Division of Rheumatology, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.