Critical assessment of two-dimensional echocardiographic estimation of the mitral valve area in rheumatic mitral valve disease: calcific deposits in the valve as a major determinant of the accuracy of the method.
D000328:Adult; D002114:Calcinosis / Q000473:pathology*; D004452:Echocardiography / Q000379:methods*; D005069:Evaluation Studies as Topic; D006349:Heart Valve Diseases / Q000473:pathology; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000473:pathology*; D012214:Rheumatic Heart Disease / Q000473:pathology*