prior to infarction , all of the patients had a history of exertional angina only , yet following the infarction , episodes of recurrent ischemia occurred at rest in spite of maximal medical management with beta-blockers and/or nitrate preparations , which lowered the heart rate to a mean of 65 beats/min , and the blood pressure to a mean of 109/70 mmhg .
C0021308
infarction
C0022116
ischemia