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Blood Urea Nitrogen
Blood Urea Nitrogen, a high level usually means impaired kidney function.
it is the blood urea nitrogen. Elevated in dehydration, kidney problems and others things.
BUN = Blood Urea Nitrogen

A blood urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is made when protein is broken down in your body. Urea is made in the liver and passed out of your body in the urine.

A BUN test is done to see how well your kidneys are working. If your kidneys are not able to remove urea from the blood normally, your BUN level rises. Heart failure, dehydration or a diet high in protein can also make your BUN level higher. Liver disease or damage can lower your BUN level. A low BUN level can occur normally in the second or third trimester of pregnancy.

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13y ago

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