In myocardial infarction, the infarct acquires hyperemic rim with a yellow center at: (A) 1-2 hours, (B) 3-7 days, (C) 7-14 days, (D) 10-20 days
Answer is B. Findings of infarct at 3 - 7 days: Gross examinationHyperemia borderSoftening yellow-tan center Histopathology (light microscopy)The beginning of the disintegration of dead muscle fibersNecrosis of neutrophilsThe beginning of macrophage removal of dead cells at the border