Which cardiac abnormalities may be present in polymyositis?

Updated: Jan 05, 2021
  • Author: Mythili Seetharaman, MD; Chief Editor: Herbert S Diamond, MD  more...
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Primary cardiac abnormalities due to myocarditis may be present in a few patients. These abnormalities mainly manifest as atrioventricular conduction defects, tachyarrhythmias, low ejection fraction, dilated cardiomyopathy, or congestive heart failure.

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