![]() ![]() The other names are Urea nitrogen test and serum BUN. What are the other names for the Blood Urea Nitrogen (BUN) test? And having too much urea nitrogen in the bloodstream can be a sign of kidney or liver problems. BUN levels tend to increase when the kidneys or liver are damaged or malfunctioning. Normally, the kidneys filter out the waste and urinating removes it from the body. Urea nitrogen is a waste product that is created by the liver when the body breaks down the proteins. It does so by analysing the amount of urea nitrogen in the blood. Pp 946-948.What is a Blood Urea Nitrogen (BUN) test?Ī blood urea nitrogen (BUN) test is used to evaluate how well your kidneys are functioning. ![]() Mosby's Diagnostic & Laboratory Test Reference 12th Edition: Mosby, Inc., Saint Louis, MO. Basic Neurochemistry: Molecular, Cellular and Medical Aspects. ![]() In: Siegel GJ, Agranoff BW, Albers RW, et al., editors. National Institute of Diabetes and Digestive and Kidney Diseases : US Department of Health and Human Services Laboratory Evaluation.National Institute of Diabetes and Digestive and Kidney Diseases : US Department of Health and Human Services What Is Chronic Kidney Disease?.Department of Health and Human Services Blood Tests National Heart, Lung, and Blood Institute.The above information is provided from a purely educational perspective and is in no way a substitute for medical advice from a qualified doctor. It helps in diagnosing kidney disease and in monitoring patients having acute or chronic kidney failure.ĭisclaimer: All results must be clinically correlated with the patient’s complaints to make a complete and accurate diagnosis. BUN levels can be low in cases of severe malnutrition, liver disease and sometimes during an overhydration phase however, it neither helps in concluding the diagnosis nor in monitoring these conditions.īUN levels are usually tested along with creatinine levels to evaluate the functioning of the kidney. This is not abnormal rather, it is a physiological variation.Ī low value of BUN is not common and does not hold any significance either. In certain situations, for example, when a person is on a high protein diet, it results in increased breakdown of proteins, which, in return, increases the levels of BUN. Obstruction to urine flow probably due to kidney stones, enlarged prostate etc. ![]()
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