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Supraventricular tachycardia


 

A supraventricular tachycardia (SVT) is a rapid rhythm of the heart in which the origin of the electrical signal is either the atria or the AV node. These rhythms require the atria or the AV node for either initiation or maintenance. This is in contrast to ventricular tachycardias, which are tachycardias that are not dependent on the atria or AV node.

Related Topics:
Heart - Atria - AV node - Ventricular tachycardia

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