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1,329 calculators and references across 60 specialties, with formula confidence shown up front.

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CK-MB Elevation Index (Post-CABG Infarction) Calculator

CK-MB Elevation Index (Post-CABG Infarction): Explanation and Clinical Context The CK-MB Elevation Index is calculated by dividing the peak postoperative CK-MB value by the laboratory's upper reference limit (URL). It is used to estimate the likelihood of perioperative myocardial infarction following coronary artery bypass graft (CABG) surgery. A CK-MB index <3 is generally associated with low risk, 3–5 with intermed

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Cleveland Clinic Risk Model Calculator

Cleveland Clinic Risk Model: Explanation and Clinical Context The Cleveland Clinic Risk Model is a validated tool used to estimate the risk of major adverse cardiac events or mortality in patients undergoing cardiac surgery. It incorporates patient-specific variables including age, sex, history of heart failure, serum creatinine, and urgency of surgery to calculate a logistic regression-based probability. The model p