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contraction band

 

Definition: a microscopic change in myocardial cells in which excessive contraction, associated with elevated intracellular calcium and serum norepinephrine, causes the formation of transverse amorphous bands in the fibers which are then incapable of contracting again.

Synonym(s): contraction band necrosis

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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