Ischemic Heart Disease (Path Flashcards
Gross Findings 18-24 hours
pallor of myocardium
Gross Findings 24-72 hours
pallor with some hyperemia
Gross Findings 3-7 Days
Hyperemic border with central yellowing
Gross Findings 10-21 Days
Maximally yellow and soft with vascular margins
7 Days
white fibrosis
Microscopic Findings 1-3 Hours
wavy myocardial fibers
Microscopic Findings 2-3 Hours
staining defect with tetrazolium or basic fuchsin dye
Microscopic Findings 4-12 hours
coagulation necrosis w/ loss of cross striations, contraction bands, edema, hemorrhage,and early neutrophilic infiltrate
Microscopic Findings 18-24 hours
coagulation necrosis, pyknosis of nuclei, and marginal contraction bands
Microscopic Findings 24-72 hours
total loss of nuclei and striation along w/ heavy neutrophilic infiltrate
Microscopic Findings 3-7 Days
macrophage and mononuclear infiltration begin
fibrovascular response begins
Microscopic Findings 10-21 days
fibrovascular response w/ prominent granulation tissue
Microscopic Findings 7 weeks
white fibrosis
