breath test

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Related to breath-tested: Urea breath test, Hydrogen Breath Test

breath test

any diagnostic test in which endogenous or exogenous materials are measured in samples of breath as a means of identifying pathologic processes; examples include hydrogen breath testing for lactose intolerance or urea breath testing to detect gastric colonization with Helicobacter pylori.
Synonym(s): breath analysis

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

Gastroenterology
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.

Lab medicine
The testing of the gases exhaled from a patient for the presence of volatile organic compounds (VOCs).

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. See 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.

breath test

(breth test)
1. Any diagnostic procedure in which endogenous or exogenous materials are measured in samples of breath as a means of identifying pathologic processes (e.g., hydrogen breath testing for lactose intolerance, urea breath testing to detect gastric colonization with Helicobacter pylori).
2. A test to measure alcohol consumption.

breath test

(breth test)
Any diagnostic test in which endogenous or exogenous materials are measured in samples of breath as a means of identifying pathologic processes.
References in periodicals archive ?
From the overall number of vehicles stopped, a total of 5,761 drivers were breath-tested.
Percentage of drivers breath-tested in the last three years:
West Midlands Police said this shows a near 50 per cent reduction compared to this stage last year, when 4,128 people had been stopped, 571 people breath-tested, and 21 testing positive.
The 34-year-old, who plays cafe worker Lynne Slater in the BBC soap, was breath-tested in London.
Traffic police were amazed when they were flagged down by a man BEGGING to be breath-tested.
All motorists in Warwickshire stopped by police officers or involved in a road traffic collision throughout the month will be breath-tested at the scene, regardless of whether officers believe the driver is under the influence.
A total of 3,801 were breath-tested by police, with 520, or 13 per cent, discovered to be over the limit.
Gudjohnsen was breath-tested and arrested on suspicion of drink driving.
Anyone in a road accident in Co Durham, even if it is relatively minor, can expect to be breath-tested as a matter of routine.
A PILOT hauled off a passenger plane because he was suspected of drinking was breath-tested by police .
David Kenworthy, of the Association of Chief Police Officers, said: ``If you have a collision at any time during the year you will be breath-tested.
ANGER erupted last night after a top cop was caught speeding by his own officers - but wasn't breath-tested.