Risk stratification of cardiac patients (patients with known disease) includes lowest risk, moderate risk, and high risk according to the AACVPR. Which of the following places a patient into the moderate-risk category?
a. Functional capacity =7 METs
b. Rest ejection fraction <40%
c. Mild to moderate level of silent ischemia during exercise testing or recovery (ST-segment depression <2 mm from baseline)
d. Presence of complex ventricular dysrhythmias during exercise testing or recovery
Answer: B