Ventricular tachycardia associated with the administration of methylphenidate during guanethidine therapy.
D004357:Drug Synergism; D004562:Electrocardiography; D006145:Guanethidine / Q000009:adverse effects*; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D008297:Male; D008774:Methylphenidate / Q000009:adverse effects*; D008875:Middle Aged; D013610:Tachycardia / Q000139:chemically induced*
D008774:Methylphenidate; D006145:Guanethidine