Myocardial infarction
Terms
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- 0-4 hrs
- minimal change, maybe wavy fibers
- 4-12 hrs
- -early coagulative necrosis -edema, hemorrhage -wavy fibers
- 12-24 hrs
- -coagulative necrosis -contraction band necrosis
- 1-5 days
- -coagulative necrosis -PMNs!
- 5-10 days
- MACROPHAGES phagocytose dead cells
- 10-14 days
- -granulation tissue -neovascularization
- 2 wks - 2 mo
- collagen deposition, scar formation