title: Ergotism leading to threatened limb amputation or to death in two patients given heparin-dihydroergotamine prophylaxis.
mesh_terms: D000293:Adolescent; D004087:Dihydroergotamine / Q000009:adverse effects*; D004357:Drug Synergism; D004881:Ergotism / Q000209:etiology*; D006493:Heparin / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000517:prevention & control; D013923:Thromboembolism / Q000517:prevention & control
chemical_list: D004087:Dihydroergotamine; D006493:Heparin