Urea breath test | 合法醫療器材資訊網

TheureabreathtestisarapiddiagnosticprocedureusedtoidentifyinfectionsbyHelicobacterpylori,aspiralbacteriumimplicatedingastritis,gastriculcer,and ...

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Medical test for a bacteria infection

The urea breath test is a rapid diagnostic procedure used to identify infections by Helicobacter pylori, a spiral bacterium implicated in gastritis, gastric ulcer, and peptic ulcer disease. It is based upon the ability of H. pylori to convert urea to ammonia and carbon dioxide. Urea breath tests are recommended in leading society guidelines as a preferred non-invasive choice for detecting H. pylori before and after treatment.[1][2]

Patients swallow urea labelled with an uncommon isotope, either radioactive carbon-14 (nowadays preferred in many countries) or non-radioactive carbon-13. In the subsequent 10–30 minutes, the detection of isotope-labelled carbon dioxide in exhaled breath indicate...