breath test

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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

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 ?
A clinical trial has been launched to see if a breath test could detect the presence of cancer.
The majority of motorists involved who failed breath tests in 2016 were car drivers, who accounted for 3,424 of the 3,883 cases.
Using this information, and identifying other biomarkers of infection, the researchers created a breath test for the disease.
Late last week, the Worcester district attorney's office suspended the use of breath tests, as did some other prosecutors, because of the reported problems.
Aside from the obvious targets, breath tests are opening the door to other kinds of early detection.
These statistics show it is increasingly likely that motorists will get stopped by police and breath tested, he said.
Stipendiary steward Tony McGlone said: "Michael failed his first breath test and then was asked to take another one 15 minutes later.
Accurarcy of breath tests using low doses of 13 C- urea to diagnose Helicobacter pylori infection: a randomised controlled trail.
After avoiding two breath tests by saying he had a cold, he watered down his own urine sample.
In contrast, the December period has the fewest over-the-limit drivers despite the month having by far and away the highest number of breath tests.