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2. Assessment of kidney function - Wikipedia

   en.wikipedia.org/wiki/Assessment_of_kidney_function

   Blood tests are also used to assess kidney function. These include tests that are intended to directly measure the function of the kidneys, as well as tests that assess the function of the kidneys by looking for evidence of problems associated with abnormal function. One of the measures of kidney function is the glomerular filtration rate (GFR).

3. Kidney failure - Wikipedia

   en.wikipedia.org/wiki/Kidney_failure

   Kidney failure can be divided into two categories: acute kidney failure or chronic kidney failure. The type of renal failure is differentiated by the trend in the serum creatinine ; other factors that may help differentiate acute kidney failure from chronic kidney failure include anemia and the kidney size on sonography as chronic kidney ...

4. Urine electrolyte levels - Wikipedia

   en.wikipedia.org/wiki/Urine_electrolyte_levels

   A sodium-related parameter is fractional sodium excretion, which is the percentage of the sodium filtered by the kidney which is excreted in the urine. It is a useful parameter in acute kidney failure and oliguria, with a value below 1% indicating a prerenal disease and a value above 1% suggesting acute tubular necrosis or other kidney damage ...

5. Acute kidney injury - Wikipedia

   en.wikipedia.org/wiki/Acute_kidney_injury

   The deterioration of kidney function may be signaled by a measurable decrease in urine output. Often, it is diagnosed on the basis of blood tests for substances normally eliminated by the kidney: urea and creatinine. Additionally, the ratio of BUN to creatinine is used to evaluate kidney injury. Both tests have their disadvantages.

6. ‘I Almost Died of Kidney Failure at 46—These Are the First ...

   www.aol.com/almost-died-kidney-failure-46...

   Kidney disease. CDC. 10 Signs You May Have Kidney Disease. National Kidney Foundation. Aging and kidney disease. National Kidney Foundation. Kidney Transplant Outcomes in Recipients Over the Age ...

7. Fractional excretion of sodium - Wikipedia

   en.wikipedia.org/wiki/Fractional_excretion_of_sodium

   FE Na can be useful in the evaluation of acute kidney failure in the context of low urine output. Low fractional excretion indicates sodium retention by the kidney, suggesting pathophysiology extrinsic to the urinary system such as volume depletion or decrease in effective circulating volume (e.g. low output heart failure).