Pathology Myocardial Infarction dfaf39cd Irreversible change staing in MI in myocardium is seen in: A Few seconds B 10 minutes C 20 minutes D 40 minutes High-Yield Explanation Change in myocardium in MI:- Few seconds: onset of ATP depletion 10 min : ATP | to 50% 20 min : Irreversible changes stas 40 min