Dilated cardiomyopathy (DCM) is defined as left ventricular dilation and enlargement not due to loading condition of the heart which cannot be explained by epicardial coronary artery disease.1 It has a prevalence of 1/2,500 population, and an annual incidence of 7/100,000. DCM affects men more than women. The causes of cardiovascular death are due to arrhythmias or progressive heart failure. Sudden cardiac death (SCD) is more often due to ventricular tachyarrhythmias (VA), whereas bradycardia and pulseless electrical activities predominate as heart failure progress.
Chu-Pak Lau, Hung-Fat Tse, Chung-Wah Siu, Is Implantable Cardioverter Defibrillator Useful in Non-Ischaemic Cardiomyopathy Useful? Journal of the Hong Kong College of Cardiology 2018;26(1) https://doi.org/10.55503/2790-6744.1009
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