31.   He has suffered for years from myocardia ischemia, a condition in which constricted arteries hamper the flow of oxygen to the heart muscle.

32.   He was diagnosed with cardiomyopathy, the same weakness of heart muscle that afflicts humans, and appeared to be rallying in recent days.

33.   Heart attacks often result from fat and cholesterol blocking the arteries that carry blood to the heart muscle.

34.   Heart muscle is damaged.

35.   HIV patients also sometimes suffer from cardiomyopathy, a failure of the heart muscle.

36.   However it feels, a heart attack is a blockage of a blood vessel that keeps heart muscle from getting the blood it needs to survive.

37.   How many of us really exercise to prevent our heart muscles from getting flabby?

38.   In addition, the heart muscle was scarred, and the pumping chamber was enlarged and thickened.

39.   In animals drugs that interfere with the heart muscle regaining its usual charge can cause sudden cardiac arrest.

40.   In hypertrophic cardiomyopathy, an overly thick heart muscle generally works well but can cause arrhythmia by limiting blood flow to the innermost part of the heart.