A 45-year-old man began having chest pressure with exertion that was relieved with rest. He did not have diabetes, high blood pressure, or high cholesterol and had never had a myocardial infarction. His examination and resting ECG were normal. On the basis of the testing modalities available, he was scheduled for exercise stress testing. After a positive test, he underwent coronary angiography that demonstrated a significant stenosis in the left coronary artery (Figure 48-1). He underwent a stenting procedure and was placed on aspirin and cholesterol-lowering medication.
A. History: Chest pressure with exertion that was relieved with res