Free tools
EMS calculators & references.
Fast, no-signup, mobile-friendly. Built for field use and NREMT prep.
Calculators
Glasgow Coma Scale
E-V-M score with severity interpretation.
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Parkland Formula
24-hour burn fluid resuscitation with rule of nines.
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Gravida / Para (GTPAL)
OB shorthand from delivery history.
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IV Drip Rate
gtt/min for macro- and microdrip tubing.
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Drug Dosage (mg & mL)
Weight-based med math with unit conversion.
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APGAR Score
Newborn assessment at 1 and 5 minutes.
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MAP Calculator
Mean arterial pressure with perfusion targets.
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Shock Index
HR ÷ SBP to catch occult hypoperfusion.
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Medical reference
Beck's Triad
Cardiac tamponade — signs, mechanism, EMS pearls.
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12-Lead ECG Basics
Lead groups, placement, and STEMI localization.
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STEMI Mimics
LBBB, LVH, BER, pericarditis, Wellens'.
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AV Blocks Explained
1st, Mobitz I/II, and complete heart block.
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AFib vs Flutter vs SVT
Fast, narrow rhythms — side-by-side.
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Wide Complex Tachycardia
VT vs SVT with aberrancy and treatment.
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Pediatric ECG Basics
Age-based rates, axis, and normal variants.
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Stroke Scales
Cincinnati, LAMS, and RACE compared.
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Pediatric Vital Signs
Normal HR, RR, BP by age group.
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Epinephrine Dosing
Arrest, anaphylaxis, and drip doses in one place.
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Amiodarone Dosing
Arrest, VT, and maintenance drip.
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Adenosine Dosing
SVT doses, push-and-flush technique.
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Naloxone (Narcan) Guide
Doses by route, fentanyl-era pearls.
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Nitroglycerin Guide
Chest pain, CHF, and contraindications.
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Push-Dose Pressors
Epi and phenylephrine mixing and dosing.
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Airway Pharmacology
RSI/DSI sedatives, paralytics, and adjuncts.
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EMS Cheat Sheets
Printable vitals, meds, ACLS, and acronyms.
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Patient Assessment Sheet
Medical & trauma walkthrough with critical fails.
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More coming soon: ETT depth, ideal body weight, MAP calculator.