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Revised Cardiac Risk Index for perioperative risks (RCRI)

High-risk surgery (intraperitoneal, intrathoracic, or suprainguinal vascular surgery)
History of ischemic heart disease (history of myocardial infarction/positive exercise test, ECG with pathological Q waves, current ischemic chest pain, or use of nitrate)
History of congestive HF (pulmonary edema, bilateral rales or S3 gallop, paroxysmal nocturnal dyspnea, pulmonary vascular redistribution on CXR)
History of cerebrovascular disease (TIA or stroke)
Use of insulin for diabetes
Preoperative creatinine > 2 mg/dL [> 178 mcmol/L]
Risk of 30-day MI, cardiac arrest or mortality is 3.9%
Reference
Emmanuelle Duceppe, Joel Parlow, Paul MacDonald et al. Canadian Cardiovascular Society Guidelines on Perioperative Cardiac Risk Assessment and Management for Patients Who Undergo Noncardiac Surgery. Can J Cardiol. 2017 Jan;33(1):17-32.
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