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Myocardium
(redirected from Hibernating myocardium)

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myocardium
the muscular tissue of the heart
myocardium [‚mī·ə′kärd·ē·əm]
(histology)
The muscular tissue of the heart wall.
Myocardium 

the muscular layer that constitutes most of the heart. It consists of striated muscle tissue made up of a dense aggregation of muscle cells. A functional characteristic of the myocardium is rhythmic, automatic contraction alternating with relaxation, which continues without interruption throughout the life of the organism.
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In conjunction with thallium imaging or dobutamine stress echocardiography, D-ribose supplementation has been used to enhance detection of hibernating myocardium.
D-ribose as a supplement for cardiac energy metabolism by Life Extension
Hibernating myocardium is the term used to refer to segments rendered dysfunctional secondary to chronic ischemia.
MRI determination of myocardial viability by Grand, David; Bluemke, David A. / Applied Radiology
Nevertheless, since areas of hibernating myocardium exist side-by-side with normal heart muscle, the disparity in electrical activity can result in rhythmic chaos, making the heart vulnerable to fatal arrhythmias.
Sudden cardiac death still a mystery by USA Today (Magazine)
 
 
 
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