title: Syncope caused by methacholine in a patient with exercise-induced anaphylaxis.
authors.forename: A H
authors.initials: AH
authors.lastname: van Assendelft
mesh_terms: D000328:Adult; D001985:Bronchial Provocation Tests / Q000009:adverse effects*; D004342:Drug Hypersensitivity / Q000188:drug therapy / Q000209:etiology*; D006801:Humans; D009241:Ipratropium / Q000627:therapeutic use; D008297:Male; D016210:Methacholine Chloride; D008688:Methacholine Compounds / Q000009:adverse effects*; D013575:Syncope / Q000139:chemically induced*
chemical_list: D008688:Methacholine Compounds; D016210:Methacholine Chloride; D009241:Ipratropium