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    Supraventricular Tachycardia - Cause

    Two common types of supraventricular tachycardia-atrioventricular reciprocating tachycardia (AVRT) and atrioventricular nodal reentrant tachycardia (AVNRT)-are caused by an abnormal electrical pathway in the heart and often occur in people who do not have any other type of heart disease. What causes this abnormal pathway might not be clear.

    Some experts believe that AVRT-specifically Wolff-Parkinson-White syndrome-may in some cases be inherited.

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    For more information about how SVT happens, see the topic Types of Supraventricular Tachycardia.

    Other types of supraventricular tachycardia may be caused by:

    WebMD Medical Reference from Healthwise

    Last Updated: March 12, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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