
Patient risk
Activity level - measured in METs
Surgical risk
Test (stress test) or Treat (beat-blocker)?
Revised Cardiac Risk Index (Circulation. 1999;100:1043-1049):
High-risk type of surgery
Ischemic heart disease
History of congestive heart failure
History of cerebrovascular disease
Insulin therapy for diabetes
Preoperative serum creatinine >2.0 mg/dL
4CD is a mnemonic to remember the risk factors in RCRI:

CAD
CHF
CVA
CKD
DM
References:
ACC/AHA 2007 Guidelines on Perioperative Cardiovascular Evaluation and Care for Noncardiac Surgery: Executive Summary. Circulation, 2007.
Preoperative Care of Patients with Kidney Disease. Clinical Cases and Images.
Medical Mnemonics