Doctors order a blood urea nitrogen (BUN) test to measure the amount of urea nitrogen in your blood. It helps them see how well your kidneys are working. A BUN test measures how much blood urea ...

A urea breath test is one way doctors may test for Helicobacter pylori (H. pylori) infection. H. pylori is a type of bacterium that can cause digestive disorders. This article will explain the test, ...

Jan. 10, 2003 -- Current guidelines recommend discontinuing proton pump inhibitors (PPIs) before performing the urea breath test for H. pylori. A new test protocol reported in the January issue of the ...

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 ...

Glomerular filtration rate and levels of electrolytes, urea and creatinine give a strong indication of kidney function and can guide treatment. Abstract Urea and electrolytes are the most commonly ...