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What is Acute Renal Failure

2013-01-07 10:24

Acute kidney failure (AKF) is also known as acute kidney injury (AKI) is abrupt and sharp decline of kidney functions within days or even hours. As a result metabolic wastes and toxins can not be discharged and they will instead accumulate in the body. And the order and balance of body fluid and electrolyte will be disturbed and patients will have a series of symptoms and complications such as high level blood potassium, metabolic acidosis, acute uremia, etc. It often occurs to people who have already been hospitalized.

What are the symptoms of acute kidney failure?

Oliguria or anuria

Loss of appetite





Flank pain

Dizziness and headache


Bleeding tendency and anemia

Deep and fast breath



Metabolic acidosis

Increase of serum creatinine and blood urea nitrogen

Electrolyte disorder

Retention of water or even heart failure, pulmonary or cerebral edema

Infections in respiratory and urinary systems

How to diagnose acute kidney failure?

Many kidney disease patients have swelling in the body due to water retention and there can be crackles or other abnormal sounds while listening with a stethoscope in the lungs and heart.

Terms in laboratory tests may have sudden changes including serum creatinine, creatinine clearance rate, blood potassium, blood urea nitrogen and urinalysis.

Besides, imaging examinations such as B ultrasound, CT scan and MRI can help detect if there is blockage.

Acute renal failure is severe illness condition in clinic and it has relatively high mortality. Since its progression is rapid, patients should receive immediate treatment and measures and in some cases dialysis may be ordered. The younger the patient is, the better the prognosis is.

Now there is significant decrease of cases that die of acute renal failure itself, most patients die of primary disease and complications especially the failure of several organs.
Recommended readings: Why Do You Have Acute Renal Failure

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