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Supraventricular tachycardia (SVT) is a very fast heartbeat that happens from time to time because of a problem with your heart's electrical system. It may make you feel like your heart is racing, pounding, or out of rhythm. It usually isn't life-threatening, but you may need treatment.
Current as of:
April 3, 2017
Kathleen Romito, MD - Family Medicine
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