What is this? #5

This is the colour flow mapping

At zero degree, the answer is obvious
This is a bio-prosthetic mitral valve
This is an intra-operative trans-oesophageal echo

Colour flow mapping

This was the pre-op TEE

The mitral valve is prolapsed

The mitral regurgitation was severe
However, due to heavy calcification of the leaflet, a simple repair was not possible