The systolic murmur of mitral stenosis.
D003937:Diagnosis, Differential; D004452:Echocardiography; D006801:Humans; D008944:Mitral Valve Insufficiency; D008945:Mitral Valve Prolapse / Q000150:complications* / Q000175:diagnosis; D008946:Mitral Valve Stenosis / Q000150:complications* / Q000175:diagnosis; D010701:Phonocardiography; D011446:Prospective Studies; D012189:Retrospective Studies