Morrison W L, McNeill G P, Davidson K G
Ninewells Hospital, Dundee.
Br J Clin Pract. 1990 May;44(5):204-5.
A 67-year-old woman had aortic and mitral annulus calcification resulting in severe stenosis and incompetence of the valves. Mitral annulus calcification produces specific echocardiographic abnormalities which may forewarn of technical difficulties during surgery.