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Clinical Calculators

Perioperative risk assessment tools with auto-calculation, evidence-based interpretation, and clinical guidance.

Cardiac Risk
H
RCRI (Revised Cardiac Risk Index)
Estimates perioperative cardiac risk for non-cardiac surgery
G
Gupta MICA (Myocardial Infarction or Cardiac Arrest)
Predicts perioperative MI/cardiac arrest risk using logistic regression
Pulmonary Risk
S
STOP-BANG
Screens for obstructive sleep apnea risk before surgery
R
ARISCAT (Postoperative Pulmonary Complications)
Predicts risk of postoperative pulmonary complications
Anticoagulation
C
CHA2DS2-VASc
Estimates stroke risk in atrial fibrillation for anticoagulation decisions
V
Caprini VTE Risk Assessment
Predicts venous thromboembolism risk in surgical patients
B
HAS-BLED Score
Estimates major bleeding risk in patients on anticoagulation for atrial fibrillation
General Assessment
A
ASA Physical Status Classification
Classifies patient fitness for anesthesia and surgery
M
METs Functional Capacity
Estimates functional capacity in metabolic equivalents