This e-learning module gives an overview of the carbon-13 urea breath test (13 C-UBT) for Helicobacter pylori (H. pylori) infection. It describes a robust test for the diagnosis of gastric H. pylori ...

A BUN test measures the level of urea nitrogen in the blood using a standard blood sample. Abnormal BUN levels may indicate problems with liver or kidney functioning. BUN stands for blood urea ...