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Calculators

43 scores, every threshold traced to its primary source by a doctor. What that means.

4AT — Delirium ScreenRapid delirium and cognitive screenAKI staging (KDIGO)Stage an acute kidney injuryAlvarado ScoreLikelihood of acute appendicitisBishop scoreCervical favourability before inductionCHA₂DS₂-VAScAF stroke risk and HAS-BLED bleeding riskCIWA-ArAlcohol withdrawal severityCockcroft-GaultCreatinine clearance calculator for drug dosing in renal…Corrected calciumAlbumin-adjusted calciumCURB-65Community-acquired pneumonia severity scoreDECAF scoreCOPD exacerbation — in-hospital mortalityDKA or HHS?Which hyperglycaemic emergency is thiseGFR (CKD-EPI 2021)Estimated GFR and CKD stageFractional excretion of sodium and ureaPre-renal or intrinsic — when the urine can tell youGentamicin DosingDosing weight, dose and renal checkGlasgow Coma ScaleInteractive GCS calculator with Eye, Verbal and Motor…Glasgow-Blatchford ScoreUpper GI bleed — admit or dischargeGRACE ScoreACS risk stratificationHEART scoreChest pain — risk of a major cardiac event at 6 weeksIdeal and adjusted body weightWhich weight a dose should useMaintenance fluids (NG29)Daily water and electrolyte requirementMEOWS — pregnancy parametersWhy NEWS2 does not apply, and what doesModified Glasgow (Imrie)Pancreatitis severityMUST — malnutrition screeningMalnutrition risk, in three stepsNEWS2National Early Warning Score calculator with real-time…NIHSSStroke severity, for communication and comparisonOpioid conversionConvert to oral morphine equivalent and backOsmolality and the osmolar gapCalculated osmolality, effective osmolality, and the gapOttawa ankle and foot rulesDoes this ankle need an X-ray?Ottawa knee ruleDoes this knee need an X-ray?Paediatric observations by ageWhat normal looks like at each ageParacetamol Treatment LineIs this level above the treatment line?Parkland FormulaBurns fluid resuscitationqSOFA + Sepsis 6qSOFA mortality risk + the Sepsis 6 checklist. NICE NG253…QTc — Bazett and FridericiaCorrected QT interval before you prescribeRockall Score (pre-endoscopy)Upper GI bleed — mortality riskROSIER scaleIs this a stroke?Sodium correction ceilingThe highest sodium you may allow at 24 and 48 hourssPESIPE — 30-day mortality riskSTUMBL / Battle scoreBlunt chest wall trauma — risk of complicationsVancomycin — loading doseLoading dose, and where the maintenance dose comes fromWarfarin reversalVitamin K and PCC by INR and bleedingWells DVTPre-test probability of deep vein thrombosisWells PEPre-test probability of pulmonary embolism

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