H. Pylori (Urea Breath Test)
The urea breath test (UBT) is used for detecting the existence of a specific bacterium, Helicobacter pylori, in the stomach. H. pylori is usually the main reason of inflammation, ulcers, and atrophy of the stomach. It is also used to reveal the result of H. pylori has been eliminated after antibiotics treatment.
A person drinks a liquid containing a low level of radioactive material that is harmless or a non-radioactive material. If H. pylori is present in the person's gastrointestinal tract, the material will be broken down into "labeled" carbon dioxide gas that is expelled in the breath.