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. 2016 Jun 27;17(4):445–462. doi: 10.3348/kjr.2016.17.4.445

Fig. 7. Procedures for estimation of relative pressure field.

Fig. 7

Since 4D PC-MRI provides 4D spatio-temporal velocity field, it can be employed to quantify 4D relative pressure distribution along vessel by solving Navier-Stokes equation and reconstructing pressure field over entire vessel of interest. Right panels show representative velocity field and pressure drop through stenotic vessel. PC = phase-contrast, 4D = four-dimensional