PECARN Pediatric Head Injury Rule - Scientific Formula
Emergency Medicine Equation
Standard Calibration Equation:
Dual algorithms stratified by Age (< 2 years vs ≥ 2 years). Evaluating GCS, AMS, skull fractures, and injury mechanism.
Accuracy Bounds & Limits:
While mathematical calculators evaluate demographic models, extreme variance (hyperthyroidism, dialysis cases, muscular bodybuilders, pregnancy) can trigger output errors. Weight and clearance assessments must follow separate personalized titration grids.