title: Syncope while vomiting during migraine attack.
mesh_terms: D000328:Adult; D006327:Heart Block / Q000628:therapy; D006801:Humans; D008297:Male; D008881:Migraine Disorders / Q000150:complications*; D010138:Pacemaker, Artificial; D013575:Syncope / Q000209:etiology*; D014839:Vomiting / Q000150:complications*