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American College of Cardiology Foundation
Junctional tachycardia (JT) is typically considered to have an automatic mechanism originating from the distal atrioventricular node. The review highlights the challenges in distinguishing JT from typical atrioventricular nodal re-entrant tachycardia (AVNRT) and infra-atrial narrow QRS re-entrant tachycardia. It emphasizes the importance of pacing maneuvers and mapping techniques in accurately diagnosing JT. The document raises questions about the traditional understanding of JT and its implications for clinical practice.
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