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

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EHRA Bleeding Risk Index (Ablation) Calculator

EHRA Bleeding Risk Index (Ablation): Explanation and Clinical Context The EHRA Bleeding Risk Index is a validated scoring system designed to estimate the risk of major bleeding in patients undergoing catheter ablation for atrial fibrillation. It integrates clinical variables such as advanced age, prior major bleeding, renal dysfunction, liver disease, use of antiplatelet or anticoagulant therapy, and hypertension. Pa

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ELECTRa-SCORE (Lead Extraction) Calculator

ELECTRa-SCORE (Lead Extraction): Explanation and Clinical Context ELECTRa-SCORE is a validated scoring system developed to estimate the risk of major complications during transvenous lead extraction (TLE). It is based on data from the European Lead Extraction ConTRolled (ELECTRa) Registry, the largest prospective TLE registry in Europe. The score is calculated from clinical variables including age, lead dwell time, n

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Euroscore Calculator

EuroSCORE Calculator EuroSCORE: Comprehensive Explanation and Clinical Context The European System for Cardiac Operative Risk Evaluation, or EuroSCORE, is a validated clinical tool designed to estimate operative mortality in patients undergoing cardiac surgery. It incorporates demographic factors, comorbidities, hemodynamic status, and specific cardiac or surgical risk features. The model was originally derived from