label: Junctional ectopic tachycardia
label_lc: junctional ectopic tachycardia
description: "Junctional ectopic tachycardia (JET) is a unique type of supraventricular arrhythmia defined by narrow QRS complex and atrioventricular (AV) dissociation or retrograde atrial conduction in a 1:1 pattern."