Successful treatment of systemic sclerosis complicated by ventricular tachycardia with a cardiac resynchronization therapy-defibrillator: A case report

Figure 1 Electrocardiogram and coronary computed tomography angiography. A: Twelve-lead electrocardiogram revealed a sinus rhythm with QS waves, an intraventricular conduction block (QRS duration, 118 ms), and a change of the ST-T wave in 2017. B and C: Coronary computed tomography angiography showed no abnormality in our patient. LAD: Left anterior descending; LCX: Left circumflex coronary artery; RCA: Right coronary artery; D1, D2: Diagonal branches; M1: Marginal branches.