Acute Tubular Necrosis (ATN) tests
Acute Tubular Necrosis (ATN)

Tests could include:

  • A blood urea nitrogen (BUN) test checks kidney function by measuring how much urea nitrogen is in your blood.
  • A potassium test is used to measure the amount of potassium in your blood. Potassium helps to move waste out of cells and nutrients into cells. This electrolyte is essential to proper muscle and nerve function. Even minor increases or decreases in...
  • Osmolality measures the concentration of all particles in a fluid. For example, a thick, sugary syrup has significantly higher osmolality than a cup of water with just a pinch of sugar. The urine osmolality test measures the amount of several comp...
  • Your kidneys are two bean-shaped organs responsible for filtering blood and waste. One method to determine just how well your kidneys are filtering is by measuring the waste product urea, using the blood urea nitrogen (BUN) test. This fast, simple...
  • Fractional excretion of sodium (FENa) measures the amount of sodium leaving your body relative to the amount of salt filtered through your kidneys and reabsorbed into your body. It is used to determine how well your kidneys are working. FENa is no...
  • A urinalysis is a laboratory test done to detect problems with your body that can appear in your urine. Many illnesses and disorders affect how your body removes waste and toxins. The system that takes care of that is broadly called the excretory ...
  • A magnetic resonance imaging (MRI) scan is a noninvasive test that uses magnets and radio waves to create images of the inside of your body. It allows doctors to see details of your organs and tissues without having to make any incisions. Accordin...
  • An ultrasound scan is a medical test that uses high-frequency sound waves to capture live images from the inside of your body. The technology is similar to that used by sonar and radar, which help the military detect planes and ships. An ultrasoun...
  • A renal biopsy is a procedure used to extract kidney tissue for laboratory analysis. The word "renal" describes the kidneys. A renal biopsy is also called a kidney biopsy. The test helps your physician to identify the type of kidney disease you ha...
  • An MRI, which stands for magnetic resonance imaging, is a type of noninvasive test that uses magnets and radio waves to create images of the inside of the body. Unlike a CT scan, an MRI uses no radiation and is considered a safer alternative. The ...
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