In early stages of myocardial ischemia the most sensitive indicator is the measurement of the activity of HomeEnzymology MCQsIn early stages of myocardial ischemia the most sensitive indicator is the measurement of the activity ofQ. In early stages of myocardial ischemia the most sensitive indicator is the measurement of the activity ofA. CPKB. SGPTC. SGOTD. LDHAnswer: CPK