title: Heart murmurs audible across the room in children with mitral valve prolapse.
abstract: Three children are described in whom an unusual heart murmur was intermittently audible in the same room without a stethoscope. Subsequent investigations disclosed mitral valve prolapse in all three patients.
mesh_terms: D002648:Child; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006337:Heart Murmurs; D006801:Humans; D008945:Mitral Valve Prolapse / Q000175:diagnosis / Q000503:physiopathology*; D010701:Phonocardiography