The following patients are best treated with coronary artery bypass grafting (CABG):
A. A 60-year-old man with class II angina, 75% proximal right coronary artery lesion, and normal ventricular function.
B. A 60-year-old man with unstable angina, three-vessel disease, and an ejection fraction of 35%.
C. A 60-year-old nondiabetic man with class III angina symptoms and focal discrete lesions in the mid-right coronary artery and mid-left circumflex artery.
D. A 60-year-old man with diabetes, class IV angina, 75% proximal left anterior descending and 75% proximal right coronary artery obstruction, and left ventricular ejection fraction of 60%.
Answer:B
The following patients are best treated with coronary artery bypass grafting (CABG):
A. A 60-year-old man with class II angina, 75% proximal right coronary artery lesion, and normal ventricular function. B. A 60-year-old man with unstable angina, three-vessel disease, and an ejection fraction of 35%. C. A 60-year-old nondiabetic man with class III angina symptoms and focal discrete lesions in the mid-right coronary artery and mid-left circumflex artery. D. A 60-year-old man with diabetes, class IV angina, 75% proximal left anterior descending and 75% proximal right coronary artery obstruction, and left ventricular ejection fraction of 60%.