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caffeine breath test |
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caffeine breath test, a breath test for liver function in which the patient is given a dose of caffeine labeled with carbon 13. Excessively low levels of labeled carbon dioxide in the patient's breath indicate inadequate metabolism of it by the liver, as in patients who have cirrhosis or who smoke. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Smoking (morning urinary cotinine concentration) was positively related to CYP1A2 activity as measured by the caffeine breath test (p < 0. Medical histories were taken to identify those with a history of heart disease, stroke, seizure disorders, uncontrolled hypertension, arrhythmia, hepatitis, jaundice or other types of liver disease, adverse reaction to caffeine, or chemotherapy within the past 5 years that would preclude their participation in the caffeine breath test (CBT). |
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