X-ray velocimetry (or XV technology as 4DMedical calls it) can already do vector flow analysis of ventilation profiles, and also do blood flow analysis, without the use of nuclear contrasting agents, or any contrasting agents for that matter. This is the point. And arguably it provides better results.
Seems impossible right?
If you would like to know how they do it, here is a post about it: https://hotcopper.com.au/threads/interpreting-4dx-technology-for-non-doctors.8256760/?post_id=76408211&embed=1" width="500" height="2074" style="border:1px solid #DADADA;overflow:hidden" scrolling="no" frameborder="0" allowTransparency="true" allow="encrypted-media">
4DX Price at posting:
58.5¢ Sentiment: Buy Disclosure: Held
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