[Editorial: Electrocardiographic changes associated with the "systolic click, late systolic murmur" syndrome].
D002815:Chordae Tendineae; D002932:Cineangiography; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006326:Heart Auscultation; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000503:physiopathology*