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J Cardiol Cases. 2019 Sep 21;21(1):5-7. doi: 10.1016/j.jccase.2019.09.002. eCollection 2020 Jan.

Calcific embolus resulting in ST elevation myocardial infarction: A rare complication of mitral annular calcification.

Journal of cardiology cases

Aaron A H Smith, Moses K Wananu, Fouad Bachour

Affiliations

  1. Department of Medicine, Hennepin Healthcare, Minneapolis, MN, USA.
  2. Cardiology Division, Department of Medicine, Hennepin Healthcare, Minneapolis, MN, USA.

PMID: 31933697 PMCID: PMC6951308 DOI: 10.1016/j.jccase.2019.09.002

Abstract

Coronary embolism is an uncommon mechanism of myocardial infarction in comparison with atherosclerotic plaque rupture. We present a unique case of an anterior ST elevation myocardial infarction as a result of coronary embolism, the source of which appears to be calcific debris from mitral annular calcification (MAC). Although embolic phenomena in the setting of MAC has been documented previously, particularly in the setting of acute ischemic stroke, to our knowledge this is the first reported case in the literature where MAC alone appears to have resulted in a coronary embolic event. <

© 2019 Japanese College of Cardiology. Published by Elsevier Ltd. All rights reserved.

Keywords: Coronary artery embolism; Mitral annular calcification; Myocardial infarction

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