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Exercise stress testing of CPVT. Baseline ECG (A) and an ECG during exercise stress testing (B) in a patient with CPVT are shown. The ECG during exercise testing shows VES and NSVT. CPVT=catecholaminergic polymorphic ventricular tachycardia; NSVT=non-sustained ventricular tachycardia; VES=ventricular extra systoles.
