Commonest cause of SCD due to cardiac arrhythmia – MCQ – Answer

Commonest cause of SCD due to cardiac arrhythmia – MCQ – Answer

Commonest cause of sudden death due to cardiac arrhythmia – Correct answer: d) Coronary artery disease

Though all the rest are primary electrical disorders of the heart with high risk of arrhythmic death, their prevalence is quite low compared to coronary artery disease. Hence ventricular fibrillation secondary to acute myocardial infarction/ischemia and previous myocardial infarction with scar related re-entrant ventricular arrhythmia together contribute a much larger number of sudden arrhythmic deaths in the community.

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