Many factors: Underllying myocardial dease, heredity, endocrine diseaeases such as hyperthyroidism, valvular disease, myocardial scring.
Answered 5/9/2014
6k views
Other risk factors: Age, hypertension, sleep apnea, smoking, alcoholism, heart attacks and cardiomyopathy and genetics all independently increase te risk of arrhythmias.
Answered 2/7/2015
6k views
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