The math, done.
So you can do the medicine.
A handy bedside companion for the ER and the ward — ten no-nonsense calculators that update as you type and show every step of the math. No login, no tracking, no waiting.
IV Fluid Maintenance
Maintenance hourly and 24h fluid requirement based on body weight.
Pediatric Drug Dosing
Common ER drugs (paracetamol, amoxicillin, ceftriaxone, dexamethasone, adrenaline, …).
Emergency Drug Infusions
ACLS / critical-care infusion calculator. Final concentration and syringe-pump rate based on drug strength, syringe volume and target dose. Always verify with current ACLS guidelines.
Heparin Protocol
Weight-based unfractionated heparin: initial bolus and maintenance infusion using standard 25 000 U / 50 cc syringe. Indication-specific dosing with hard maximum caps.
IV Drip Rate
Drops per minute for gravity sets (10, 15, 20, 60 gtt/ml).
Electrolyte Correction
Sodium deficit, free water deficit, and potassium replacement estimates.
NIHSS
15-item NIH Stroke Scale with severity stratification.
Alvarado Score
Probability of acute appendicitis from symptoms, signs and labs.
Body Mass Index (BMI)
Adult BMI with two reference scales — international WHO and Asia-Pacific (WHO 2004 / IDF). Switch between them to see the category change.
OB-Gyn
Estimate Expected Date of Delivery (Naegele's rule) and current Gestational Age from the patient's last menstrual period (LMP).