4/8/2024 0 Comments What is bun normal range![]() The second article will deal with the value of urea measurement as an adjunct to creatinine measurement the focus here will be the urea:creatinine ratio.īy way of introduction, this first article begins with a brief historical perspective. The main focus of this first article will be physiological topics, such as urea production and renal processing of urea, along with the causes of increased and reduced plasma/serum urea concentration.Ĭonsideration will also be given to the limitations of urea measurement for assessment of renal function. This is the first of two articles that together aim to explore current understanding of the clinical value of measuring serum or plasma urea concentration. It is eliminated from the body almost exclusively by the kidneys in urine, and measurement of its concentration, first in urine and later in blood, has had clinical application in the assessment of kidney (renal) function for well over 150 years. Any derangement in the values signifies the impaired kidney function.Urea is the principal nitrogenous waste product of metabolism and is generated from protein breakdown. The normal value of creatinine in urine is found 500 to 2000 mg/day and may vary with age. Creatinine is filtered by the kidneys and excreted in urine. Urine creatinine: This test measures the amount of creatinine in urine. If the GFR is high then it may indicate chances of kidney failure. The normal value in males is 97 to 137 mL/min and females is 88 to 128mL/min. It is also done to estimate the glomerular filtration rate (GFR). ![]() Creatinine is the waste product released when the muscle is put to work. Creatinine levels may be decreased slightly in pregnancy.Ĭreatinine clearance: This test determines the kidney functioning and suggests kidney dysfunction or decreased blood flow to kidneys as in congestive heart failure. If the level of creatinine is more than the normal value it indicates kidney conditions such as glomerulonephritis, pyelonephritis, acute tubular necrosis, kidney stones, prostate disease, and complications of diabetes. Normal value of creatinine is 0.8 – 1.4mg/dL Females have low creatinine than males because of the muscle mass. Creatinine is filtered from blood and excreted in urine by the kidneys. Creatinine is a byproduct of creatine produced when muscles are put to use. ![]() Decreased concentration of BUN is not common and may occur in cases of malnutrition and severe kidney disease.īlood Creatinine: This test measures the amount of creatinine in blood which signifies the filtering capability of kidneys. Elevated levels suggest impaired kidney function such as acute or chronic kidney disease, decreased blood flow to kidneys as in congestive heart failure and shock. The normal values of nitrogen in blood urea ranges from 7 to 20mg/dL. Urea is a waste product released from degradation of protein, which is filtered in the blood and excreted in urine by kidneys. Some of the commonly conducted laboratory tests areīlood urea nitrogen (BUN): The BUN test measures the nitrogen content in blood urea. These tests reveal the functioning and abnormalities, if any. Kidney function tests are the tests performed to evaluate kidney functioning. Kidney :: Prostate :: Urinary Bladder :: Testes Home » Patient Info » Genito Urinary System » Kidney » Kidney Function tests
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