Diseases and Conditions

Heart murmurs

Overview

Heart murmurs are sounds — such as whooshing or swishing — made by turbulent blood in or near your heart. Your doctor can hear these sounds with a stethoscope. A normal heartbeat makes two sounds like "lubb-dupp" (sometimes described as "lub-DUP") when your heart valves are closing.

Heart murmurs can be present at birth (congenital) or develop later in life.

Heart murmurs can be harmless (innocent) or abnormal. An innocent heart murmur is not a sign of heart disease and doesn't need treatment. Abnormal heart murmurs require follow-up testing to determine the cause. Treatment is directed at the cause of your abnormal heart murmur.

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