title: Electrocardiograms of the month.
mesh_terms: D001919:Bradycardia / Q000175:diagnosis*; D006332:Cardiomegaly / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D008875:Middle Aged