title: EKG of the month.
mesh_terms: D001281:Atrial Fibrillation / Q000175:diagnosis*; D002986:Clinical Trials as Topic; D004070:Digitalis / Q000008:administration & dosage; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008517:Phytotherapy; D010946:Plants, Medicinal; D010947:Plants, Toxic