Gastroenterology
Planning calculators for gastroenterology — estimates from industry-style inputs.
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MELD-Na Score Calculator
Calculate Model for End-Stage Liver Disease with Sodium correction for liver transplant prioritization.
Child-Pugh Score Calculator
Classify severity of chronic liver disease and cirrhosis using five clinical parameters. Determines Child-Pugh class A, B, or C with survival estimates.
GERD Severity Score Calculator
Score gastroesophageal reflux disease severity using the GERD-Q questionnaire. Evaluates symptom frequency, daily-life impact, and suggests treatment approach.
Colonoscopy Prep Calculator
Calculate bowel preparation solution volumes, split-dose timing, and evaluate prep quality with the Boston Bowel Preparation Scale (BBPS).
Bristol Stool Scale Calculator
Classify stool form on the Bristol Stool Scale (types 1–7), estimate colonic transit time, and screen for functional constipation or diarrhea criteria.
FODMAP Elimination Planner Calculator
Plan a low-FODMAP diet protocol with elimination, reintroduction, and personalization phases. Estimates symptom improvement and creates a challenge schedule.
Liver Fibrosis Score (FIB-4) Calculator
Calculate the FIB-4 index for non-invasive liver fibrosis assessment using age, AST, ALT, and platelet count. Includes APRI score and NAFLD-specific cutoffs.
Celiac Probability Score Calculator
Estimate pre-test probability of celiac disease from symptoms, serology (tTG-IgA, EMA), and risk factors. Includes no-biopsy pathway eligibility assessment.
IBD Activity Score Calculator
Calculate Crohn's Disease Activity Index (CDAI) from symptoms, lab values, and physical exam findings. Classifies remission, mild, moderate, and severe disease.
Pancreatic Enzyme Dosing Calculator
Calculate pancreatic enzyme replacement therapy (PERT) lipase dosing by weight and fat intake. Includes capsule counts, safety limits, and monthly supply estimates.