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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 7/7/2020

Updated by: Thomas S. Metkus, MD, Assistant Professor of Medicine and Surgery, Johns Hopkins University School of Medicine, Baltimore, MD. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.