histamine test

histamine test
1. histamine flare t. 2. any of several formerly common gastric function tests in which histamine was injected to stimulate gastric secretion and measure output of gastric acid; see also augmented histamine test. 3. a formerly used test for presence of a pheochromocytoma; persons with such a tumor would show first a fall and then a marked rise in blood pressure.

Medical dictionary. 2011.

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  • augmented histamine test — (for gastric function) a newer type of histamine test; after a 12 hour fast, residual gastric contents are aspirated. Basal gastric secretion is then collected every 15 minutes for 1 hour; at the 30 minute point, antihistamine is given… …   Medical dictionary

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • Histamine — Substance that plays a major role in many allergic reactions. Histamine dilates blood vessels and makes the vessel walls abnormally permeable. * * * A vasodepressor amine derived from histidine by histidine decarboxylase and present in ergot and… …   Medical dictionary

  • histamine flare test — (for leprosy and postherpetic neuralgia) a drop of 1:1000 histamine acid phosphate solution is placed on the skin and a needle puncture is made through it; the test is positive if there is no erythema flare when the puncture is made within the… …   Medical dictionary

  • histamine acid phosphate — a derivative of histamine that was formerly used to test for acid secretion in the stomach in conditions involving abnormal gastric secretion, such as Zollinger Ellison syndrome …   Medical dictionary

  • histamine acid phosphate — a derivative of histamine that was formerly used to test for acid secretion in the stomach in conditions involving abnormal gastric secretion, such as Zollinger Ellison syndrome …   The new mediacal dictionary

  • Bronchial challenge test — Diagnostics OPS 301 code 1 714 A bronchial challenge test is a medical test used to assist in the diagnosis of asthma.[1] The patient breathes in …   Wikipedia

  • gastric function test — see specific tests, such as augmented histamine t. and pentagastrin t. Abnormal results on the Schilling test may indicate defective gastric secretion of intrinsic factor …   Medical dictionary

  • IHT — insulin hypoglycemia test; intravenous histamine test; ipsilateral head turning …   Medical dictionary

  • IHT — • insulin hypoglycemia test; • intravenous histamine test; • ipsilateral head turning …   Dictionary of medical acronyms & abbreviations

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