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

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DeFeo Score (Surgical Indication Predictor) Calculator

DeFeo Score: Explanation and Clinical Context The DeFeo Score is a validated tool to predict the surgical indication in patients with mitral valve disease. It incorporates functional, structural, and hemodynamic parameters: NYHA functional class, left ventricular end-diastolic diameter (LVEDD), left ventricular ejection fraction (LVEF), and pulmonary artery pressure (PAP). Each parameter is assigned points based on t

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DEPOSIT Score (Device-Related IE) Calculator

DEPOSIT Score: Explanation and Clinical Context The DEPOSIT (Device-related Endocarditis Prediction) Score is a validated tool to estimate the risk of infective endocarditis in patients with cardiac implantable electronic devices (CIEDs). It incorporates patient age, device type (pacemaker, ICD, CRT), prior device-related infections, comorbidities such as diabetes mellitus, and renal failure. Higher scores indicate i

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Duke Criteria (Modified Duke) Calculator

: Explanation and Clinical Context The Modified Duke Criteria is a widely accepted clinical tool for diagnosing infective endocarditis (IE) based on a combination of major and minor criteria. Major criteria include positive blood cultures and evidence of endocardial involvement via echocardiography. Minor criteria include predisposing heart conditions or IV drug use, fever >38°C, vascular phenomena (e.g., arterial em