Evolution of electrocardiograms following mitral commissurotomy.
D001022:Aortic Valve Insufficiency / Q000601:surgery; D001024:Aortic Valve Stenosis / Q000601:surgery; D004562:Electrocardiography; D005500:Follow-Up Studies; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D008946:Mitral Valve Stenosis / Q000601:surgery*; D010493:Pericarditis