Detecting a heart murmur on your own can be tricky. A murmur is an extra heart sound that can be heard by a stethoscope. Sometimes, a murmur sounds like a humming sound, which can be faint or loud. It ...
From the Children's Cardiac Clinic of the Massachusetts General Hospital. For record and address of author see "This Week's Issue," page 1337. Select the format you want to export the citation of this ...
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