Miyako Igarashi et al. JACEP 2018;4:339-350 Representative ECGs (A) ECGs from a 49-year-old man (case 3). (B) ECGs from a 57-year-old man (case 4). During VT, northwest axis and QS pattern in V2 to V6 were represented in both cases. The waveforms during VT were similar in both patients. Right bundle branch block pattern was seen in case A, and left bundle branch block pattern was seen in case B. ECG = electrocardiogram; VT = ventricular tachycardia. Miyako Igarashi et al. JACEP 2018;4:339-350 2018 American College of Cardiology Foundation