Pathology Cardiovascular system a8ce0dfc Approximate time, at the end of which the quantity, of ATP within ischemic cardiac myocytes is reduced to 10% of original is A <2 minutes B 10 minutes C 20 minutes D 40 minutes High-Yield Explanation ATP decreases to 10% of its intial level in 40 min Robbins 9 th edition page no. 380