Fig. 3
From: Familial dilated cardiomyopathy caused by a novel variant in the Lamin A/C gene: a case report
a. Coronary sinus electrogram showing that the coronary sinus ostium was activated the earliest. b. Intracardiac electrocardiogram indicating that the atrial rate was 63 beats per min, together with atrioventricular dissociation after liner ablation along the tricuspid valve isthmus