This medical exhibit depicts myocardial ischemia (heart muscle death) following an acute (rapid) myocardial infarction (heart attack). It features an anterior (front) orientation view of the heart with a detail enlargement of the distal left anterior descending artery (LAD) with blockage. Dead, discolored, ischemic and damaged heart muscle tissue is seen below the point of the coronary arterial blockage. A single label identifies the death of heart tissue due to blocked artery.