Incessant SVT in children: Ectopic atrial tachycardia and permanent junctional reciprocating tachycardia

Ectopic atrial tachycardia (EAT) and permanent junctional reciprocating tachycardia (PJRT) can cause incessant and medically refractory SVT in children, leading to heart failure and shock. In this review, we discuss the diagnosis, medical treatment, and indications for ablation for these two very different but equally difficult to treat arrhythmias.