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breath test
(redirected from breath-testing)

   Also found in: Dictionary/thesaurus, Encyclopedia 0.01 sec.
breath test,
any of various tests in which a person's breath is analyzed for presence of something abnormal. Subgroups called the 13C breath tests and 14C breath tests involve administration of organic compounds labeled with carbon 13 (heavy carbon) or carbon 14 (radioactive carbon) and measuring the subsequent levels of labeled carbon dioxide in the patient's breath; the labeled compound may be found to be metabolized normally, too fast, or too slow in the GI tract.

breath test
Chest medicine Any of a number of clinical tests used to evaluate malabsorption, in which a food containing a substance emitting low levels of radioactivity is ingested and, if malabsorbed, is exhaled through the lungs. Cf 2H-lactose test, 14C-xylose test GI disease See Urea breath test Lab medicine The testing of gases exhaled from a Pt for the presence of volatile organic compounds–VOCs.


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It included random stop checks of vehicles, breath-testing any driver committing a traffic offence or involved in a collision and any motorist suspected of drinking alcohol.
Parker's tested a range of the inexpensive devices, which are widely available online, at shops and markets, car boot sales and petrol stations, by breath-testing a driver just over the legal drink-drive limit and comparing the results to official police tests.
Plans for random breath-testing are expected to be contained in a Transport Department consultation document due out in the next few weeks.
 
 
 
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