title: Hearts that go thump in the night. Positional atrial flutter in a patient with mitral-valve prolapse.
mesh_terms: D001282:Atrial Flutter / Q000209:etiology* / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006326:Heart Auscultation; D006347:Heart Sounds; D006801:Humans; D008875:Middle Aged; D008945:Mitral Valve Prolapse / Q000150:complications / Q000503:physiopathology*; D011187:Posture