DiagnosisIf your signs and symptoms suggest that you have acute kidney failure, your doctor may recommend certain tests and procedures to verify your diagnosis. These may include: Show
TreatmentTreatment for acute kidney failure typically requires a hospital stay. Most people with acute kidney failure are already hospitalized. How long you'll stay in the hospital depends on the reason for your acute kidney failure and how quickly your kidneys recover. In some cases, you may be able to recover at home. Treating the underlying cause of your kidney injuryTreatment for acute kidney failure involves identifying the illness or injury that originally damaged your kidneys. Your treatment options depend on what's causing your kidney failure. Treating complications until your kidneys recoverYour doctor will also work to prevent complications and allow your kidneys time to heal. Treatments that help prevent complications include:
Clinical trialsExplore Mayo Clinic studies testing new treatments, interventions and tests as a means to prevent, detect, treat or manage this condition. Lifestyle and home remediesDuring your recovery from acute kidney failure, your doctor may recommend a special diet to help support your kidneys and limit the work they must do. Your doctor may refer you to a dietitian who can analyze your current diet and suggest ways to make your diet easier on your kidneys. Depending on your situation, your dietitian may recommend that you:
As your kidneys recover, you may no longer need to eat a special diet, although healthy eating remains important. Preparing for your appointmentMost people are already hospitalized when they develop acute kidney failure. If you or a loved one develops signs and symptoms of kidney failure, bring up your concerns with your doctor or nurse. If you aren't in the hospital, but have signs or symptoms of kidney failure, make an appointment with your family doctor or a general practitioner. If your doctor suspects you have kidney problems, you may be referred to a doctor who specializes in kidney disease (nephrologist). Before your meeting with the doctor, write down your questions. Consider asking:
What lab values are most significant for diagnosing acute renal failure?Diagnostic Criteria
According to KDIGO, acute renal failure can be diagnosed if any one of the following is present: An increase in SCr by 0.3 mg/dL or more within 48 hours. An increase in SCr of at least 150 percent within a seven-day period. A urine volume of less than 0.5 ml/kg/h over a six-hour period.
What labs indicate acute renal failure?Analyzing a sample of your urine (urinalysis) may reveal abnormalities that suggest kidney failure. Blood tests. A sample of your blood may reveal rapidly rising levels of urea and creatinine — two substances used to measure kidney function.
What is the best indicator of acute renal failure?Signs and symptoms of acute kidney failure may include: Decreased urine output, although occasionally urine output remains normal. Fluid retention, causing swelling in your legs, ankles or feet. Shortness of breath.
Which of the following clinical laboratory values reflects a diagnosis of renal failure?A GFR of less than 15 ml per minute is considered to be end-stage renal failure requiring renal replacement therapy, e.g., dialysis.
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