Supraventricular tachycardia

Impulse arising in SA node, traversing atria to AV node, then entering ventricle. Rhythm originating at or above AV node constitutes SVT.

Atrial fibrillation: Irregular impulses reaching AV node, only some being transmitted.

Holter monitor-Imaging with start (red arrow) and end (blue arrow) of a SV-tachycardia with a pulse frequency of about 128/min.

Supraventricular tachycardia (SVT) is an abnormal heart rhythm arising from improper electrical activity of the heart. It is a type of rapid heart rhythm originating at or above the atrioventricular node. It can be contrasted with the potentially more dangerous ventricular tachycardias—rapid rhythms that originate within the ventricular tissue.

单词	Junctional reciprocating tachycardia
释义	Junctional reciprocating tachycardia 英语百科 Supraventricular tachycardia Supraventricular tachycardia (SVT) is an abnormal heart rhythm arising from improper electrical activity of the heart. It is a type of rapid heart rhythm originating at or above the atrioventricular node. It can be contrasted with the potentially more dangerous ventricular tachycardias—rapid rhythms that originate within the ventricular tissue.
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Junctional reciprocating tachycardia

Supraventricular tachycardia