Double Ventricular Responses Leading to Reversible Cardiomyopathy as Late Complication after Slow-Pathway Ablation

Figure 1

(a) ECG showing two ventricular beats (#) after one atrial beat (); (b) intracardiac electrocardiogram showing two ventricular beats after one atrial beat; (c) intracardiac electrocardiogram revealed his potential before each ventricular signal (see arrows). ECG: electrocardiography.