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stunned myocardium |
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myocardium /myo·car·di·um/ (-kahr´de-um) the middle and thickest layer of the heart wall, composed of cardiac muscle.
hibernating myocardium see myocardial hibernation, under hibernation. stunned myocardium see myocardial stunning, under stunning.
stunned myocardium, a condition of impaired myocardial contractile function, cellular biochemical characteristics, and microvasculature function in the absence of gross myocardial necrosis. It can last for minutes to days and is caused by ischemia that is either brief or occurs in the area immediately outside an infarct zone. 'stunned' myocardium Transient–hrs to days in duration postischemic contraction defects that follow myocardial reperfusion in acute MI. Cf Hibernating myocardium. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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Segments that lose function as a result of an acute ischemic insult despite the restoration of normal perfusion are known as stunned myocardium. |
stunned myocardium |
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