1,329 calculators and references across 60 specialties, with formula confidence shown up front.
TAVR Mortality Score (TVT Registry): Explanation and Clinical Context The TAVR Mortality Score developed by the TVT Registry is a validated predictive tool for estimating 30-day mortality after transcatheter aortic valve replacement (TAVR). It uses key clinical variables available prior to the procedure, including age, sex, NYHA class IV, serum creatinine, left ventricular ejection fraction (LVEF), history of prior C
TAVR Valve Academic Research Consortium (VARC-3) Classification: Explanation and Clinical Context VARC-3 provides a standardized framework to assess patient risk, procedural outcomes, and complications after transcatheter aortic valve replacement (TAVR). This classification incorporates clinical, anatomical, and procedural variables, such as age, surgical risk scores (e.g., STS-PROM), functional status (NYHA class),
Transseptal Puncture Complexity Index (Experimental): Comprehensive Explanation and Clinical Context This calculator proposes a pragmatic, literature-informed composite score to anticipate technical complexity of transseptal puncture (TSP) before left atrial procedures. Factors that repeatedly correlate with difficult access include prior TSP or septal instrumentation (e.g., occluder/patch), challenging thoracic or c
: Explanation and Clinical Context The GLIDE score is an anatomy-based predictor to estimate procedural success following tricuspid transcatheter edge-to-edge repair (T-TEER), including TriClip. It integrates five echocardiographic variables: septolateral coaptation gap (0–5 mm vs. ≥6 mm), TR jet location (anteroseptal/central vs. posteroseptal/anteroposterior/diffuse), TEE image quality (good vs. limited), chordal d
: Explanation and Clinical Context This calculator classifies tricuspid regurgitation (TR) severity according to the 5-grade scheme used in the TRILUMINATE program (trace/mild, moderate, severe, massive, torrential). It integrates quantitative echocardiographic parameters — vena contracta (VC), effective regurgitant orifice area (EROA), regurgitant volume (RVol), and 3D vena contracta area (VCA) — using evidence-base