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Kidney function tests are common procedures used to evaluate kidney (renal) function. Refer to the following documents for details of how each test is performed... More
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Creatinine is a breakdown product of creatine, which is an important part of muscle. This article discusses the laboratory test to measure the amount of creatinine ... More
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BUN stands for blood urea nitrogen. Urea nitrogen is what forms when protein breaks down. A test can be done to measure the amount of urea nitrogen in the blood. More
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During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical ex... More
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The creatinine clearance test compares the level of creatinine in urine with the creatinine level in the blood. (Creatinine is a breakdown product of creatine, whic... More
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This test measures the amount of potassium in the blood. Potassium (K) helps nerves and muscles communicate. It also helps move nutrients into cells and waste produ... More
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Urea nitrogen renal clearance Test
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The osmolality urine test the concentration of particles in urine. Osmolality (particles/kg water) and osmolarity (particles/liter of solution) are sometimes confus... More
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A protein urine test measures the amount of proteins, such as albumin, found in a urine sample. A blood test may also be done to measure the level of albumin. See... More
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Fractional excretion of sodium (FENa) is the amount of salt (sodium) that leaves your body through urine compared to the amount filtered and reabsorbed by the kidne... More
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Urinalysis is the physical, chemical, and microscopic examination of urine. It involves a number of tests to detect and measure various compounds that pass through ... More
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A biopsy is the removal of a small piece of tissue for laboratory examination. More
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Magnetic resonance imaging (MRI) is a noninvasive way to take pictures of the body. Unlike x-rays and computed tomographic (CT) scans, which use radiation, MRI uses... More
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Ultrasound involves the use of high-frequency sound waves to create images of organs and systems within the body. More
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A renal biopsy is the removal of a small piece of kidney tissue for laboratory examination. More
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A magnetic resonance imaging (MRI) scan of the abdomen is a noninvasive method to create detailed pictures of the inside of the belly area. Unlike x-rays and comput... More
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Ultrasound Scan of Kidney and Ureters
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Dialysis is a method of removing toxic substances (impurities or wastes) from the blood when the kidneys are unable to remove these substances. More
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FUROSEMIDE (fyoor OH se mide) is a diuretic. It helps you make more urine and to lose salt and excess water from your body. This medicine is used to treat high bloo... More
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One of the most important ways of managing moderate to severe heart failure is to control fluid and the salt content in your diet. Tune in to find out how. More
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Dietary Restriction
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