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A heart murmur is usually discovered by a health care provider during a physical examination. The patient may or may not have been aware of its presence. The physical examination will include careful attention to heart sounds.
The doctor may ask the following questions:
- Have other family members had murmurs or other abnormal heart sounds?
- Is there any family history of heart problems?
- What other symptoms are present -- such as bluish skin color ( cyanosis), liver enlargement, distended neck veins, lung sound changes, weight gain, swelling, or shortness of breath?
Diagnostic testing to determine the cause of a "new" murmur or other abnormal heart sound may include:
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