Kidney Failure

(Renal Failure; Renal Insufficiency)

Definition

Kidney failure occurs when one or both kidneys aren't able to work normally. The kidneys remove waste in the form of urine from the body. They also balance the water and electrolyte content in the blood by filtering salt and water.Kidney failure is divided into two categories:

Causes

Kidney disease causes the tiny filters in the kidneys called nephrons to lose their ability to filter. Damage to the nephrons may occur suddenly after an injury or poisoning. But, many kidney diseases take years or even decades to cause damage that is noticeable.The two most commons causes of kidney disease are:
  • Diabetes —high blood sugar can damage nephrons
  • High blood pressure —severe high blood pressure can damage blood vessels in the kidneys
Others causes include:
Renal Failure
Kidney failure stones
A blockage from kidney stones has caused renal failure.
Copyright © Nucleus Medical Media, Inc.

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