In myocardial infarction, the infarct acquires hyperemic rim with a yellow center at
High-Yield Explanation
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