Overview of Arrhythmogenic Cardiomyopathies By L Brent Mitchell, MD, Libin Cardiovascular Institute of Alberta, University of Calgary Reviewed / Revised Jan 2023 View Patient Education Although any dilated or hypertrophic cardiomyopathy (see Overview of Cardiomyopathies) can produce cardiac and systemic factors that predispose to a number of different arrhythmias, including bradyarrhythmias, atrial and ventricular tachyarrhythmias, and sudden death, certain cardiomyopathies are particularly prone to do so.