12. Which of the following valves would have a Wilkin’s score in the range safe to perform percutaneous mitral balloon valvotomy?

A. Highly mobile leaflets with little restriction, normal thickness of the valve leaflets, chordal thickening 2/3 up the chordal length and valvular calcification confined to the leaflet margins

B. There is forward movement of the valve leaflets in diastole, mild leaflet thickening, chordal thickening 2/3 up the chordal length and only a single focus of calcification

C. No forward movement of the mitral valve leaflets, total leaflet thickening (5-8 mm), chordal thickening 2/3 up the chordal length, and calcification confined to the leaflet margins
 

PROCEED TO ANSWER