INSTITUTE FOR ALGORITHMIC MEDICINE
Cardiac Risk Index.
Purpose: To calculate the cardiac risk index for noncardiac surgical procedures.
Patient's age
Years
Has the patient had an MI within last 6 months?
Yes
No
Does the patient have an S3 gallop or JVD?
Yes
No
Does the patient have significant aortic valve
stenosis?
Y
es
No
Is non-sinus rhythm or PACS present on preoperative
ECG?
Y
es
No
Were there > 5 VPCs per minute at any time prior to surgery ?
Yes
No
pO2
mm Hg
pCO2
mm Hg
Serum potassium
mEq/L
Serum bicarbonate
mEq/L
BUN
mg/dL
Serum creatinine
mg/dL
µmol/L
Is the patient's AST elevated?
Yes
No
Does the patient have chronic liver disease?
Yes
No
Is the patient bedridden from noncardiac causes?
Yes
No
Was surgery intraperitoneal, intrathoracic or aortic?
Yes
No
Was the operation an emergency?
Yes
No