Ultrasound Calculators

Professional calculators for ultrasound physicians: Z-scores, normal values, and calculations. All formulas are based on published nomograms and guidelines. The tools are for reference purposes and do not replace a physician’s clinical decision.

Pediatric Echocardiography Z-score Calculator (PediEcho)

Z-score indicates how many standard deviations the measured echocardiographic parameter differs from the mean for healthy children with the same body surface area (BSA). In children, …

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