🏥 General Medicine
Popular
🧪
Creatinine Clearance
Cockcroft-Gault dose adjustment
⚖️
BMI Calculator
Body mass index & classification
📏
Ideal Body Weight
Devine, Robinson, Miller, Hamwi
🫘
eGFR (CKD-EPI 2021)
Kidney function & CKD staging
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Corrected Calcium
Albumin-adjusted serum calcium
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LDL Cholesterol Calculator
Friedewald equation & NCEP ATP III category
☣️
Biomedical Waste Management
Category & colour-code finder — India BMWM Rules
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Pediatric Maintenance Fluids
Holliday-Segar daily & hourly IV rate by weight
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D-dimer Age-Adjusted Cutoff
Age × 10 ng/mL FEU threshold — ADJUST-PE method
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HbA1c Converter
NGSP % ↔ IFCC mmol/mol + eAG
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Spirometry Predicted Values
FEV1/FVC obstructive vs restrictive
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Calorie Burn Calculator
MET-based energy expenditure
🦋
Thyroid Function Test Interpreter
TSH, Free T4 & Free T3 pattern recognition
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Centor / McIsaac Score
Probability of streptococcal pharyngitis
📐
Body Surface Area (BSA)
Mosteller & DuBois formulas
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BMR Calculator
Basal metabolic rate & TDEE
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Body Fat Calculator
US Navy circumference method
🍽️
Macro Calculator
Protein, fat & carb targets from TDEE
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FENa Calculator
Fractional excretion of sodium — AKI workup
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Free Water Deficit
Water deficit in hypernatraemia
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Corrected Sodium
Sodium adjustment for hyperglycaemia
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HOMA-IR Calculator
Insulin resistance estimate
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Kt/V Calculator
Haemodialysis adequacy
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A-a Gradient Calculator
Alveolar-arterial oxygen gradient
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Charlson Comorbidity Index
Weighted comorbidity burden & prognosis
⚗️
Winters' Formula Calculator
Metabolic acidosis compensation
🫘
FEUrea Calculator
AKI workup — prerenal vs intrinsic, on diuretics
⚗️
Delta Ratio (Delta Gap) Calculator
Detects a mixed acid-base disorder
🏥
MEWS Calculator
Modified Early Warning Score, ward deterioration
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KDIGO AKI Staging
Acute kidney injury Stage 1-3
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DKA Severity Classification
Mild, moderate, or severe diabetic ketoacidosis
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BODE Index
COPD mortality prediction
🔬
Naranjo Score
Adverse drug reaction causality
❤️ Cardiovascular
Popular
❤️
HEART Score
Chest pain risk stratification (MACE)
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Wells Score for DVT
Pre-test probability of deep vein thrombosis
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Wells Score for PE
Pre-test probability of pulmonary embolism
❤️
CHA₂DS₂-VASc Score
Stroke risk in atrial fibrillation
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QTc Calculator
Bazett & Fridericia corrected QT interval
❤️
TIMI Risk Score
Risk stratification for UA/NSTEMI
🫁
PERC Rule
Pulmonary embolism rule-out criteria
🩸
HAS-BLED Score
Major bleeding risk on anticoagulation
❤️
RCRI Calculator
Perioperative cardiac risk, noncardiac surgery
💓
Killip Classification
Heart failure severity after MI
❤️
Modified Duke Criteria
Diagnostic classification for endocarditis
❤️
PAPi Calculator
Pulmonary artery pulsatility index — RV function
🫁
Revised Geneva Score
Objective clinical probability of PE
❤️
San Francisco Syncope Rule
CHESS criteria — short-term serious outcome risk
❤️
Sgarbossa Criteria
Diagnosing acute MI in the presence of LBBB
❤️
Duke Treadmill Score
Exercise stress test risk stratification
❤️
Canadian Syncope Risk Score
30-day serious adverse event risk
🩸 Hematology & Oncology
🩸
4Ts Score
Probability of heparin-induced thrombocytopenia
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Khorana Risk Score
VTE risk in cancer chemotherapy patients
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ANC Calculator
Absolute neutrophil count & neutropenia risk
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International Prognostic Index (IPI)
Non-Hodgkin lymphoma prognosis
🩸
Padua Prediction Score
VTE risk in hospitalised medical patients
🩺 Gastroenterology & Hepatology
🫀
MELD-Na Score
Liver disease severity & transplant priority
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Child-Pugh Score
Cirrhosis severity classification
🩹
Ranson's Criteria
Pancreatitis severity & mortality prediction
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Glasgow-Blatchford Score
Need for intervention in upper GI bleed
🫀
APRI Score
Noninvasive liver fibrosis screen
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FIB-4 (Fibrosis-4 Index)
Noninvasive liver fibrosis screen
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Rockall Score
Rebleeding & mortality risk, upper GI bleed
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BISAP Score
Acute pancreatitis severity & mortality risk
🫀
Maddrey's Discriminant Function
Alcoholic hepatitis severity & steroid threshold
🫀
MELD Score (Original)
Classic 3-variable liver disease severity
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AIMS65 Score
Upper GI bleed inpatient mortality risk
🩹
Glasgow-Imrie Score
Pancreatitis severity, assessed at 48h
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Truelove and Witts Index
Ulcerative colitis severity
🫀
Glasgow Alcoholic Hepatitis Score
5-component prognosis, severe alcoholic hepatitis
🤰 Obstetrics & Gynaecology
Popular
🤰
OB Wheel Calculator
Pregnancy dating — LMP, scan, IVF, EDD
📅
Due Date Calculator
EDD from LMP (Naegele's Rule)
🗓️
Conception Date Calculator
Estimated conception from LMP or EDD
Popular
🥚
Ovulation Calculator
Fertile window & ovulation day
🌙
Period Calculator
Predicted period dates, next 6 cycles
🤰
Bishop Score
Cervical readiness for labour induction
🤰
Gestational Diabetes Screening
IADPSG/WHO 75g OGTT criteria
👶 Paediatrics
👶
APGAR Score
Newborn assessment at 1/5/10 min
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Child Development Tracker
Milestones by age, birth to 5 years
👶
Pediatric GCS
Modified GCS for infants & preverbal children
👶
Ponderal Index Calculator
Formula, meaning & IUGR interpretation
👶
Silverman-Andersen Score
Neonatal respiratory distress, 5 signs
👶
Clinical Dehydration Scale
4-sign paediatric dehydration severity
👶
Pediatric Weight Estimation
Age-based formulas for emergencies
🚨 Emergency
🧠
NIH Stroke Scale (NIHSS)
Stroke severity — all 15 items
🫁
CURB-65 Score Calculator
Pneumonia severity criteria & management — BTS guideline
🧠
Glasgow Coma Scale
Adult neuro status, intubated T-modifier
📉
NEWS2 Calculator
National Early Warning Score 2
❤️
MAP Calculator
Mean arterial pressure & shock targets
⚗️
Anion Gap Calculator
Metabolic acidosis, albumin-corrected
🫁
SpO2/FiO2 Ratio
Non-invasive PaO2/FiO2 surrogate
🦶
Ottawa Ankle Rules
Decision rule for ankle/foot X-ray
🦠
qSOFA Score
Bedside sepsis screen for suspected infection
🔪
Alvarado Score
Clinical probability of acute appendicitis
🧠
ABCD2 Score
Stroke risk after TIA
🌡️
SIRS Criteria
Systemic inflammatory response screening
🔥
Parkland Formula
Fluid resuscitation volume for burns
🦵
Ottawa Knee Rule
Decision rule for knee X-ray
🦴
NEXUS Criteria (C-Spine)
Need for cervical spine imaging after trauma
⚗️
Osmolal Gap Calculator
Screen for toxic alcohol ingestion
🧠
Hunt & Hess Classification
Subarachnoid haemorrhage severity
🧠
ICH Score
Mortality risk after intracerebral haemorrhage
🧠
Canadian CT Head Rule
Decision rule for CT after minor head injury
❤️
Diastolic Shock Index
Heart rate to diastolic BP ratio
🏥
SOFA Score
ICU organ failure assessment, 6 systems
🔥
Burn TBSA Calculator
Rule of Nines, adult & paediatric
🧠
Ottawa SAH Rule
Decision rule for acute non-traumatic headache
🫁
PSI/PORT Score
Pneumonia severity index & risk class
🏥
APACHE II Score
ICU severity of illness
🧠
FOUR Score
Coma scale for intubated patients
🚑
Revised Trauma Score
Weighted GCS, SBP & respiratory rate
🧠
Modified Rankin Scale
Post-stroke functional disability, 0-6
🧠
Modified Fisher Scale
CT-based SAH grading & vasospasm risk
🚑
Pediatric Trauma Score
6-component severity, guides referral
🦴 Rheumatology
🧠 Mental Health
🧠
PHQ-9 Depression Screening
Patient Health Questionnaire severity
🧠
GAD-7 Anxiety Screening
General Anxiety Disorder-7 severity
🍷
CAGE Questionnaire
Brief alcohol use screening
🍷
AUDIT-C
3-question alcohol consumption screen
🤱
EPDS Calculator
Edinburgh Postnatal Depression Scale
🍷
CIWA-Ar Calculator
Alcohol withdrawal assessment
💊
COWS Calculator
Clinical Opiate Withdrawal Scale
😴 Sleep Medicine
😴
STOP-BANG Score
Obstructive sleep apnoea risk screening
😴
Epworth Sleepiness Scale
Daytime sleepiness questionnaire