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Blood urea nitrogen (BUN) is a medical test that measures the amount of urea nitrogen found in blood. The liver produces urea in the urea cycle as a waste product of the digestion of protein . Normal human adult blood should contain 7 to 18 mg/dL (0.388 to 1 mmol/L) of urea nitrogen. [ 1 ]
In medicine, the urea-to-creatinine ratio (UCR [1]), known in the United States as BUN-to-creatinine ratio, is the ratio of the blood levels of urea (mmol/L) and creatinine (Cr) (μmol/L). BUN only reflects the nitrogen content of urea (MW 28) and urea measurement reflects the whole of the molecule (MW 60), urea is just over twice BUN (60/28 ...
Azotemia (from azot 'nitrogen' and -emia 'blood condition'), also spelled azotaemia, is a medical condition characterized by abnormally high levels of nitrogen-containing compounds (such as urea, creatinine, various body waste compounds, and other nitrogen-rich compounds) in the blood.
As the blood urea nitrogen (BUN) level increases, patients might develop uremic stomatitis. Uremic stomatitis appears as a pseudo membrane or frank ulcerations with redness and a pultaceous coat in the mouth. These lesions could be related to high BUN level (>150mg/dL), and disappear spontaneously when the BUN level is reduced with medical ...
The lab will test your blood’s hemoglobin, leukocytes, creatinine levels and blood urea nitrogen (BUN) score to determine your risk level. Hemoglobin A1C: ...
nitrogen 4.6-6.8 × 10 −5: 3.0 ... Blood Urea Nitrogen (BUN) ... Cadmium: normal 1-5 × 10 −9: toxic 0.1-3 × 10 −6: Calciferol (vitamin D 2) Maintain calcium ...
Blood urea nitrogen (BUN) test measures the amount of urea nitrogen in the blood. Increased levels of urea in the blood is an indicator for poor elimination of urea from the body usually due to kidney damage. [22] Increased BUN levels can be caused by kidney diseases, kidney stones, congestive heart failure, fever, and gastrointestinal bleedings.
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