Diastolic Function (E/A, E/e')

Name: Diastolic Function (E/A, E/e')
Creator: Daniel Diaz-Gil, MD
Keywords: cardiology, diastolic function, E/A ratio, E/e', filling pressure, mitral inflow, tissue Doppler, echocardiography, diastology

Assesses diastolic function using mitral inflow E/A ratio and tissue Doppler E/e' ratio

Clinically Verified· 5 tests

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

E Velocity (cm/s) *

cm/s

A Velocity (cm/s) *

cm/s

e′ Velocity (cm/s) *

cm/s

Septal e' velocity by tissue Doppler

Patient Age Group

Optional: select age group for pediatric-specific E/A thresholds

References

Nagueh SF, et al. Recommendations for the evaluation of left ventricular diastolic function by echocardiography: an update from the ASE and EACVI. J Am Soc Echocardiogr. 2016;29(4):277-314.[DOI]
Eidem BW, et al. Nongeometric quantitative assessment of infant, child, and adolescent right ventricular function: a new tissue Doppler approach. J Am Soc Echocardiogr. 1998;11:539-548.[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 diastolic function 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