# How to measure the Aortic valve's annulus diameter(s), and the vertical distance between the annulus and the sinotubular junction by 3D Slicer and/or SlicaeHeart using cardiac CT scans?

**URL:** <https://discourse.slicer.org/t/how-to-measure-the-aortic-valves-annulus-diameter-s-and-the-vertical-distance-between-the-annulus-and-the-sinotubular-junction-by-3d-slicer-and-or-slicaeheart-using-cardiac-ct-scans/34405>\
**Category:** Support\
**Tags:** quantitative\
**Created:** [February 19, 2024, 7:02pm UTC](https://discourse.slicer.org/t/how-to-measure-the-aortic-valves-annulus-diameter-s-and-the-vertical-distance-between-the-annulus-and-the-sinotubular-junction-by-3d-slicer-and-or-slicaeheart-using-cardiac-ct-scans/34405 "2024-02-19T19:02:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Arash](https://avatars.discourse-cdn.com/v4/letter/a/da6949/32.png) [@Arash](https://discourse.slicer.org/u/Arash)\
**Post date:** [February 19, 2024, 7:02pm UTC](https://discourse.slicer.org/t/how-to-measure-the-aortic-valves-annulus-diameter-s-and-the-vertical-distance-between-the-annulus-and-the-sinotubular-junction-by-3d-slicer-and-or-slicaeheart-using-cardiac-ct-scans/34405/1 "2024-02-19T19:02:25Z")

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Please advise on how to measure the Aortic valve’s annulus diameter(s), and the vertical distance between the annulus and the sinotubular junction by 3D Slicer and/or SlicaeHeart using cardiac CT scans?