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Last Updated: May 04, 2024

Acute Renal Failure

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Dr. Sanjeev BehuraNephrologist • 27 Years Exp.MBBS, MD - Medicine, DM - Nephrology

Hello, I am Sandeep Behura. I have done DM from BHU. I am a consultant Nephrologists in Delhi and I am practising in Noida also. Today I am going to talk about Acute Renal Failure which is a common problem.

Acute Renal Failure is characterized by the failure of the normal function of a kidney which occurs over a short period of time. Medically speaking, there is an accumulation of Nitrogen as a waste product in the body with fatuation of electrolyte imbalance associated with retention of fluid in the body which occurs over the period of hours to days.

The aetiology of Acute Renal Failure is varied. However, it is classified into 3;

  • Prerenal ARF, which constitutes majority 55% of the cases.
  • Entrance adrenal ARF, which contributes to about 45% adrenal failure.
  • And 5% of the causes are Postrenal ARF

Coming to the Prerenal ARF, most of the causes are following;

  • Massive dead loss, like following traffic accidents or a major surgery
  • Following fluid loss like following diarrhoea, vomiting, patients having diabetes, patients with the cardiac problem may have Acute Renal Failure.

Intense Renal ARF is 2 types. These can be ischemic in nature or toxic in nature.


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