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Atherosclerotic cardiovascular diseases are still major underlying reasons for all-cause morbidity and mortality worldwide. 1 While several factors have been described to explain the possible etiologic bases for mortality in the presence of coronary artery disease (CAD), ventricular arrhythmia is one the most important causes of catastrophic outcomes due to myocardial ischemia. 2 Coronary atherosclerosis can cause electrical heterogeneity in ventricular myocardium and ventricular repolarization abnormalities linked to ventricular arrhythmia. These clinical presentations are seen more commonly in the presence of acute ischemia. 3 While obstructive atherosclerosis damages ventricular myocardium, acute ischemia renders myocardium more sensitive to arrhythmia.

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