Histamine challenge test | definition of histamine challenge test by Medical dictionary
bronchial challenge test (redirected from histamine challenge test)
pertaining to or affecting one or more bronchi.
bronchial challenge, bronchial challenge test
a challenge test in which a nonspecific agent such as histamine or methacholine is applied to the bronchi and they are assessed for a bronchoconstriction reaction. Also called bronchial provocation
. See inhalational challenge test.
bronchial challenge test Any of a group of functional tests for assessing asthma, in which a nebulised agent—e.g., histamine, methacholine—is sprayed on the bronchial mucosa that evokes bronchoconstriction in asthmatics, which is detected by spirometry; BCT is used to establish a baseline pulmonary functional status.