title: Double tachycardias.
mesh_terms: D000368:Aged; D004071:Digitalis Glycosides / Q000506:poisoning*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D013610:Tachycardia / Q000139:chemically induced / Q000175:diagnosis*
chemical_list: D004071:Digitalis Glycosides