Fetal Echo Calculators
fetal-echo.org · by Dr Mridul Agarwal

Fetal Cardiac Tools

Evidence-anchored decision-support for fetal echocardiography. No data leaves your device.

Works offline No account needed No patient data stored For clinicians
Risk Tool · v2.0

Fetal Coarctation Risk

Evidence-anchored risk stratification for antenatal coarctation of the aorta. Live index from published predictors — valve ratios, arch Z-scores, Doppler, strain.

11 predictors · HLHS / IAA flags →
Z-Scores · v1.0

Z-Score & Function Calculator

Comprehensive fetal cardiac Z-scores: valves, great vessels, arch, chambers, walls, RV function, time fractions, cardiac output and DeVore ratios.

Schneider · Pasquini · García-Otero 2020 →
Paediatric · v1.0

Paediatric Echo Z-Scores

Z-scores for paediatric echocardiography: aortic root, valves, great vessels, and Kawasaki coronary artery risk assessment.

Boston · Pettersen nomograms →
All calculations happen on this device Works offline after first visit Evidence base shown in each tool

Academic content & clinical education

Case discussions, fetal echo tutorials, congenital heart disease resources and more — by Dr Mridul Agarwal, Paediatric Cardiology.

Visit fetal-echo.org →
These tools are clinical decision-support aids for qualified clinicians — not diagnostic tests. Every clinical decision requires independent expert assessment. See individual tools for full evidence base and limitations.
fetal-echo.org · Dr Mridul Agarwal, Pediatric Cardiac Sciences, Sir Ganga Ram Hospital, New Delhi