Postexertional Supraventricular Tachycardia in Children with Catecholaminergic Polymorphic Ventricular Tachycardia
Figure 2
(a) Sudden onset of narrow complex tachycardia during the early recovery phase of exercise test (Case 2). (b) Bidirectional PVCs followed by couplets which give way to narrow complex tachycardia demonstrating warm-up of rate (arrow) early in recovery phase (Case 3).
