Successful ablation of a permanent form of junctional reciprocating tachycardia involving multiple adjacent accessory pathways with and without decremental properties. – an “irregular” supraventricular tachycardia

Permanent form of junctional reciprocating tachycardia (PJRT) is a rare form of supraventricular tachycardia, that involves an accessory pathway (AP) with decremental properties serving as a retrograde slow conduction pathway. The tachycardia is frequently incessant and presents as a long-RP, regular tachycardia on electrocardiogram (ECG), therefore it may lead to tachycardia-induced cardiomyopathy. It is often refractory to medical therapy; therefore, radiofrequency catheter ablation is an effective treatment.