Burn Area Calculator (Wallace Rule-of-Nines)

Medical Calculator – SonDoctor.com Burn Area Calculator (Wallace Rule-of-Nines) This calculator estimates burn area for adults (15 years and older) using the Wallace Rule-of-Nines. Click on each body part to select the burned area. 📋 Wallace Rule-of-Nines Standard Head/Neck: 9% (anterior 4.5%, posterior 4.5%) Each arm: 9% (anterior 4.5%, posterior 4.5%) Chest: 9% Abdomen: 9% … Read more

Burn Area Calculator (Lund-Browder chart)

Medical Calculator – SonDoctor.com Burn Area Calculator (Lund-Browder chart) This calculator estimates burn area for adults and children using the Lund-Browder chart. Select the age first, then click on each body part to select the burned area. 📋 Body Surface Area Ratio by Age All ages: Lund-Browder chart applied (age-specific body proportion differences reflected) Adults … Read more

DAS28 Calculator (ESR/CRP)

Medical Calculator – SonDoctor.com DAS28 Calculator (ESR/CRP) Tender joints Reset Selected: 0 / 28 Swollen joints Reset Selected: 0 / 28 Check joints with symptoms to auto-count. Inflammatory Marker ESR CRP ESR (mm/hr) Recommended range: 1–200 mm/hr CRP (mg/L) Recommended range: 0–300 mg/L Patient Global Assessment 50 mm Best Worst Calculate DAS28-ESR Clear all Result … Read more

mDF Calculator (modified Discriminant Function)

Medical Calculator – SonDoctor.com × mDF Calculator (modified Discriminant Function) Maddrey’s Discriminant Function A calculator to predict the severity and short-term prognosis of Alcoholic hepatitis patients. mDF = 4.6 x (PT[patient](s) – PT[control](s)) + Total bilirubin (mg/dL) Total Bilirubin (mg/dL) : PT[Patient] (second) : PT[Control] (second) : mDF < 32 : Moderate alcoholic hepatitis mDF ... Read more

Child-Pugh Score Calculator (Child-Turcotte-Pugh, CTP)

Medical Calculator – SonDoctor.com × Child-Pugh Score Calculator (Child-Turcotte-Pugh, CTP) Click the applicable items to automatically calculate. (1) PT INR (or PT increase in seconds compared to control) PT INR < 1.7 (PT increase < 4 seconds) (1 point) PT INR 1.7 ~ 2.3 (PT increase 4 ~ 6 seconds) (2 points) PT INR > … Read more

Amylase / Creatinine Clearance ratio Calculator (FE amylase)

Medical Calculator – SonDoctor.com × Amylase / Creatinine Clearance ratio Calculator (FE amylase) Differential diagnosis of Acute pancreatitis and Macroamylasemia Amylase Clearance (%) = (Urine Amylase × Serum Cr) ÷ (Serum Amylase × Urine Cr) × 100 Serum Amylase (U/L): Serum Creatinine (mg/dL): Urine Amylase (U/L): Urine Creatinine (mg/dL): Amylase Clearance > 5% : High … Read more

AST/ALT ratio Calculator (De Ritis ratio)

Medical Calculator – SonDoctor.com × AST/ALT ratio Calculator (De Ritis ratio) AST (U/L) : ALT (U/L) : – AST/ALT ratio < 1 : Consider Acute viral hepatitis, Autoimmune hepatitis, Chronic liver disease – AST/ALT ratio 1.5 ~ 2 : Consider Acute viral hepatitis, Alcohol abuse, Advanced fibrosis – AST/ALT ratio > 2 : Consider Alcoholic … Read more

Alvarado Score for Acute Appendicitis

Medical Calculator – SonDoctor.com × Alvarado Score for Acute Appendicitis MANTRELS Score Clinical assessment tool to help early diagnosis of acute appendicitis Click applicable items and the score will be automatically calculated. M : Migration pain to RLQ (1 point) A : Anorexia (1 point) N : Nausea, Vomiting (1 point) T : Tenderness in … Read more

Glasgow-Blatchford Score (GBS) Calculator

Medical Calculator – SonDoctor.com × Glasgow-Blatchford Score (GBS) Calculator Determining clinical intervention necessity for acute upper gastrointestinal bleeding patients Automatically calculates when items are entered or clicked. Urea nitrogen (mg/dL): Hemoglobin (g/dL): Initial Systolic BP (mmHg): Gender : Male Female Pulse ≥ 100 (beats/min) Melena Syncope Hepatic disease Cardiac failure GBS 0 points : Low … Read more