Medical Dictionary

commotio cordis

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noun com·mo·tio cor·dis \kə-ˈmō-shē-ō-ˈkȯrd-əs\

Medical Definition of commotio cordis

  1. :  concussion of the heart that is caused by a blow to the chest over the region of the heart by a blunt object (as a baseball, hockey puck, or fist) which does not penetrate the body and that usually results in ventricular fibrillation leading to sudden cardiac death if treatment by defibrillation is not immediately given


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