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. 2010 Apr 7;12(1):22. doi: 10.1186/1532-429X-12-22

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Copyright ©2010 Kirschner et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Double Infarct Histology. Histologic section of a dog LV 32 days following the first (LAD), and 4 days after second (LCx), MI. (A) Acute (LCx) MI with coagulation necrosis, inflammation and multiple foci of calcification (40×, Masson's trichrome). (B) Same area at higher magnification. Dying myocardial fibers (white arrow) associated with inflammatory cells, Calcium precipitates (white arrowhead) (100×). (C) Late subacute (LAD) MI in the same heart with granulation tissue (white arrowhead) and early collagen deposition, interdigitating (white arrow) with viable myofibers (40×, Masson's trichrome).