title: "What's the rhythm"?
mesh_terms: D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D013610:Tachycardia / Q000175:diagnosis / Q000503:physiopathology*