Supraventricular arrhythmia 2008-03-25T06:37:00Z Supraventricular arrhythmia includes atrial arrhythmias (atrial tachycardia, atrial flutter, atrial fibrillation), atrioventricular nodal reentrant tachycardia, junctional ectopic tachycardia, atrioventricular reentrant tachycardia (Wolf-Parkinson-White Syndrome), orthodromic or antidromic. Supraventricular arrhythmia is distinct from ventricular tachycardia, which originates in the ventricles. UMLS:C0428974 SNOMEDCT_US:72654001 A type of arrhythmia that originates above the ventricles, whereby the electrical impulse propagates down the normal His Purkinje system similar to normal sinus rhythm. Supraventricular arrhythmias HP:0005115 Arrhythmia