Surgical Risk Calculator

Please choose a risk calculator.

• Acute Mesenteric Ischemia Perioperative Risk Calculator30-day morbidity and mortality after bowel resection for acute mesenteric ischemia.
• Aortic Risk Calculator (Open)30-day mortality after elective open repair of an infrarenal abdominal aortic aneurysm.
• Bariatric Surgery Perioperative Morbidity and Mortality Risk Calculators30-day morbidity and 30-day mortality after bariatric surgery (two calculators).
• Carotid Endarterectomy Risk IndexStroke, myocardial infarction or death within 30 days of elective carotid endarterectomy in asymptomatic patients.
• Infrainguinal Bypass Surgery Perioperative Mortality Risk Calculator30-day mortality after elective infrainguinal bypass surgery.
• Perioperative Cardiac Risk CalculatorMyocardial infarction or cardiac arrest during surgery or within 30 days after it.
• Postoperative Pneumonia Risk CalculatorPneumonia after surgery.
• Postoperative Respiratory Failure (PRF) Risk CalculatorVentilation for more than 48 hours after surgery, or unplanned intubation within 30 days.

This tool supports clinical judgment and does not replace it.

Everything is calculated in your browser. Nothing you enter is sent anywhere or saved.

Calculators are free to download and distribute. There are no copyright issues.

For questions or comments, please email admin@surgicalriskcalculator.com or see the feedback page.

Prateek K Gupta, MD FACS
Vascular Surgeon
Memphis, TN, USA