The atrial electrocardiogram as a guide to prognosis after mitral valvotomy.
D004562:Electrocardiography; D006325:Heart Atria; D006351:Heart Valves; D006801:Humans; D008946:Mitral Valve Stenosis / Q000601:surgery*; D011379:Prognosis
ELECTROCARDIOGRAPHY; MITRAL STENOSIS/surgery