title: Interesting electrocardiograms.
mesh_terms: D004562:Electrocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D008946:Mitral Valve Stenosis / Q000175:diagnosis; D010490:Pericardial Effusion / Q000175:diagnosis*