Figure 1

Sequence of the investigations and patient flow in the investigation protocol. ACA aborted cardiac arrest, CAD coronary artery disease, HF heart failure, VF ventricular fibrillation, ACM arrhythmic cardiomyopathy, CMR cardiac magnetic resonance, ECG electrocardiogram, BrS Brugada syndrome, LQTS long QT syndrome, CPVT catecholaminergic polymorphic ventricular tachycardia.