- J-F Paul: Service de radiologie, institut Mutualiste Montsouris, 42, boulevard Jourdan, 75014 Paris, France. Electronic address: jean-francois.paul@imm.fr.
2D flow cardiac MRI is a well-established technique but has some current limitations in routine practice. New 4D flow MRI may overcome these limitations, providing dramatic dynamic imaging, easily understandable, allowing robust quantification of flows. 4D flow imaging should become soon the reference technic for valvular regurgitations and congenital heart disease.