Understanding the many

Types of heart valve disease

Four valves.
Three types of disease

Your heart has four valves: aortic, mitral, tricuspid, and pulmonary. All four of them can develop different kinds of heart valve disease: stenosis, regurgitation (insufficiency), and atresia.

Pulmonary heart diagram outlining the four valves: tricuspid, pulmonary, mitral, and aortic
Heart valve stenosis icon

Stenosis

Your valve becomes stiff and has a small opening, which limits your blood flow.

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Heart valve regurgitation icon

Regurgitation

Your valve doesn’t close all the way, letting blood flow back into your heart.

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Heart valve atresia icon

Atresia

Your valve isn’t formed correctly and is blocked by solid tissue.

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What’s the deadliest type of heart valve disease?