Immediate calculation
Clear inputs, consistent units and results without unnecessary steps.
Clinical calculations, clarified
Paediatric cardiovascular calculations, with the reference beside the result.
ZED Cardio brings trusted Z-scores, measurement guidance and clinical references into a focused workflow for congenital and paediatric cardiovascular imaging.
- For trained healthcare professionals
- Published reference datasets
- Privacy by design
Built for focused cardiovascular imaging workflows
DimensionsFetal CardiologyCT/CTAFunctional Parameters
Why ZED Cardio
From a number to a traceable clinical reference.
The free tools demonstrate the calculation. The app supports the complete measurement workflow around it.
Reference-led
The dataset, formula and publication remain visible beside the output.
Measurement context
The full app adds how-to-measure guidance, clinical modules and pathways.
Inside the app
A broader toolkit when the free calculation is not enough.
Dimensions
Paediatric echocardiographic dimensions from published reference datasets.
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Functional Parameters
Selected paediatric longitudinal-function reference calculations.
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Fetal Cardiology
Fetal cardiovascular measurements and reference support.
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CT/CTA
Cross-sectional cardiovascular dimensions for congenital imaging.
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Clinical Pathways
Condition-specific assessment pathways and criteria support.
Free and complete
Useful on the web. Comprehensive in the app.
Free web tools
Quick calculations
- Selected high-value calculations
- Visible method and publication
- No account or saved inputs
- Browser-based privacy
ZED Cardio app
The complete workflow
- All supported modalities and measurements
- Measurement guidance and reference selection
- Saved lists, sessions and export
- Offline access on mobile devices
Get ZED Cardio
Available for iPhone, iPad and Android.
ZED Cardio channel
Learn the workflow. See the anatomy.
Short, focused demonstrations of ZED Cardio calculations, cardiac imaging and the measurements behind the result.
Visit YouTube channelFeatured video
Left Ventricular Fibroma in 3D
Explore a left ventricular fibroma with a clear 3D cardiac view.
More from the channel
2 videos
How to Measure the Sinuses of Valsalva on Cardiac CT | ZED CardioWatch on YouTube Follow the channel for new walkthroughs and measurement tips.
Z-scores and references
Paediatric cardiac Z-scores, with the source kept visible.
ZED Cardio combines selected free web calculators with a broader app-based reference workflow for paediatric and congenital cardiovascular imaging.
What is ZED Cardio?
ZED Cardio is a clinician-facing cardiovascular calculation and reference platform for paediatric and congenital imaging.
Does ZED Cardio calculate paediatric cardiac Z-scores?
Yes. The free web tools include selected echocardiographic LV volume, functional, fetal valve and cardiac CT aortic Z-score calculations.
Which reference does each calculation use?
The selected dataset, formula and publication are shown with the result so the user can check method, units and applicability.
Clinical transparency
Every calculation should be inspectable.
ZED Quick Tools show the selected method, formula and publication. They provide calculation support for appropriately trained users and do not replace clinical judgement, local guidelines or specialist review.