What does bun stand for

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Blood Urea Nitrogen

what does bun stand for

Your liver breaks down the proteins in your food -- and while it does that, . Like BUN, high levels of creatinine could mean there is a lot of.

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A BUN, or blood urea nitrogen test, can provide important information about your kidney function. The main job of your kidneys is to remove waste and extra fluid from your body. If you have kidney disease , this waste material can build up in your blood and may lead to serious health problems, including high blood pressure , anemia , and heart disease. The test measures the amount of urea nitrogen in your blood. Urea nitrogen is one of the waste products removed from your blood by your kidneys.

A common blood test, the blood urea nitrogen BUN test reveals important information about how well your kidneys and liver are working. A BUN test measures the amount of urea nitrogen that's in your blood. A BUN test can reveal whether your urea nitrogen levels are higher than normal, suggesting that your kidneys or liver may not be working properly. If kidney problems are the main concern, the creatinine levels in your blood will likely also be measured when your blood is tested for urea nitrogen levels. Creatinine is another waste product that healthy kidneys filter out of your body through urine.

A blood urea nitrogen BUN test measures the amount of urea nitrogen in your blood. Levels of urea nitrogen is one marker on how well your kidneys are working. This is a simple test done by drawing blood out of your body through a vein in your arm. Urea is a waste product formed in the liver that travels through your blood to the kidneys, which then filters it out of the blood. It is then carried out of your body through urine. A small amount of urea in your blood is normal because this process is ongoing.

Jump to content. 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.

A blood sample is needed. Most of the time blood is drawn from a vein located on the inside of the elbow or the back of the hand. You may feel slight pain or a sting when the needle is inserted. You may also feel some throbbing at the site after the blood is drawn. Note: Normal values may vary among different labs. Talk to your provider about your specific test results.



What are BUN levels and what do they measure?

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