- Ultrasound tests are commonly used to diagnose renal failure. The test uses sound waves and computers to generate images of your kidneys. These images can reveal any obstructions causing problems.
- CT scans and MRI are also used to diagnose renal failure. These tests give doctors a more detailed image of your kidneys and other internal organs.
- A small piece of your kidney tissue may be removed and examined under a microscope to better diagnose renal failure.
- For chronic renal failure a chest x-ray can be helpful in diagnosis. The x-ray is to check pulmonary edema, or fluid retention, in your lungs.
- Diagnosis may include blood and urine tests to check for elevated levels of blood potassium and waste products such as urea and creatinine.
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