Any tachyarrhythmia that originates from above the atrioventricular node, but usually it refers to two (2) reentrant arrhythmias: Atrioventricular Nodal Reentrant Tachycardia (AVNRT), and Atrioventricular Reentrant Tachycardia (AVRT).
•See: Atrioventricular nodal reentrant tachycardia (AVNRT) and Atrioventricular reentrant tachycardia (AVRT).
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