TDI & PWD Z-Scores

Name: TDI & PWD Z-Scores
Creator: Daniel Diaz-Gil, MD
Keywords: tissue Doppler, TDI, pulse wave Doppler, PWD, e prime, s prime, a prime, E/e', z-score, diastolic, systolic, myocardial velocity, mitral, septal, lateral, color Doppler, Dallaire, BSA, pediatric, echocardiography, IVRT, MPI, pulmonary vein

BSA-indexed z-scores for pulse wave Doppler and tissue Doppler imaging velocities in children (Dallaire 2015, n=233)

For educational and informational purposes only. Verify all results before clinical application.

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References

Dallaire F, Slorach C, Hui W, et al. Reference Values for Pulse Wave Doppler and Tissue Doppler Imaging in Pediatric Echocardiography. Circ Cardiovasc Imaging. 2015;8:e002167.[DOI]

Reviewed by Daniel Diaz-Gil, MD · Last updated March 2026

Medical disclaimer

This tool is for educational and informational purposes only. It is not a substitute for professional clinical judgment. Always independently verify results before making clinical decisions.

Professional Resources — Tools used by pediatricians for cardiac assessment

Park's Pediatric Cardiology for Practitioners, 7th EdComprehensive reference for pediatric cardiology evaluation and management~$95via Amazon Echocardiography in Pediatric and Congenital Heart Disease, Lai et alDefinitive echo reference with z-score tables and imaging protocols~$180via Amazon BoardVitals Pediatric Cardiology QbankBoard-style questions for pediatric cardiology certificationsubscriptionvia BoardVitals