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Mitral stenosis

Alternative Names:

Mitral valve obstruction

Symptoms:

Note: There are often no symptoms. However, symptoms may appear or get worse with exercise or any activity that raises the heart rate.

Signs and tests:

The health care provider will listen to the heart and lungs with a stethoscope. A distinctive murmur, snap, or other abnormal heart sound may be heard. The typical murmur is a "rumbling apical diastolic murmur with pre-systolic accentuation." This means a rumbling sound is heard over the heart during the resting phase of the heart beat. The sound gets louder just before the heart begins to contract.

The exam may also reveal an irregular heartbeat or lung congestion. Blood pressure is usually normal.

Mitral stenosis may be difficult to distinguish from left atrial myxoma (a tumor of the heart).

Narrowing or obstruction of the valve or enlargement of the atrium may show on:

This disease may also alter the results of the following tests:

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