Fig. 1

Pipe cleaner number 2 mimicking mitral annulus seen from front (a) and profile view (b). c Profile of the same pipe cleaner with 3D VSAP as presented on the holographic screen. AL-PM anterolateral-posteromedial. AP anteroposterior
Pipe cleaner number 2 mimicking mitral annulus seen from front (a) and profile view (b). c Profile of the same pipe cleaner with 3D VSAP as presented on the holographic screen. AL-PM anterolateral-posteromedial. AP anteroposterior