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Bun Blood Test



 Submitted by Nic on March 15, 2011
The kidneys are a pair of organs that are responsible for the filtration of wastes out of the blood. Blood flows through the kidneys where it is treated. The wastes generated in the kidneys are passed into the urinary bladder. In the bladder, the wastes accumulate in the form of urine until the individual urinates. The removal of wastes from the body is essential to avoid the poisoning of the body by over concentration of substances in the blood. Filtration through the kidneys takes place throughout the day, producing small amounts of urine that collect gradually and are then eliminated from the body.

The BUN blood test is a test used to determine the Blood Urea Nitrogen concentration. The BUN blood test is one of the tests used to determine the state of kidney function. Normally, the kidneys are supposed to eliminate a certain amount of urea and nitrogen from the blood. If the BUN blood test result shows a high concentration in the blood, then it indicates that the kidneys have not been able to eliminate the substances properly. There are some other factors that may cause an elevated BUN blood test result which is why the test may be conducted with other tests that establish the functioning of the kidneys. One such test is that of barium swallow test where barium fluid is drunk by the individual. In this situation, the rate at which the barium is eliminated from the body will be examined. Also read more on LFT Blood test.

The BUN blood test is also used as part of the comprehensive metabolic panel test and the basic metabolic panel test. These tests are used to check the various vital signs of an individual as part of general health checkups.

The BUN blood test is a simple blood test where a sample of blood is collected from the individual’s body and tested in a laboratory. A high BUN blood test result indicates damage to the kidneys. There may be other tests conducted to determine if this damage has been caused by a temporary disease or if the condition has been caused by kidney failure. It is possible for an individual to live normally with only one functioning kidney. Dual kidney failure will result in the need for regular dialysis. A patient may also receive a donor kidney which will help to return the health to normal. Donor kidneys will be given to those who have had their underlying health problems sorted out so that the replacement kidney does not get damaged. 
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