Mitral regurgitation annulus dilatation example
From Echocardiography in ICU
Dilatation of the left ventricle leads to stretching of the mitral annulus and sub-mitral apparatus. The leaflets don't coapt properly, there is central mitral regurgitation.
Parasternal long axis view:
Parasternal long axis view with color Doppler, the regurgitant jet is posteriorly and centrally directed: