A patient with coronary artery disease (CAD) is having a cardiac catheterization. What indicator is present for the patient to have a coronary artery bypass graft (CABG)?
a) The patient has had angina longer than 3 years.
b) The patient has at least a 70% occlusion of a major coronary artery.
c) The patient has an ejection fraction of 65%.
d) The patient has compromised left ventricular function.
Answer: The patient has at least a 70% occlusion of a major coronary artery.