Acute Kidney Injury [ Acute Renal Failure] or kidney failure

Acute kidney injury Previously called Acute Renal Failure is an abrupt loss of kidney functions that develops within 7 days. It is characterized or manifested by decrease glomerular filtration rate, level of serum creatinine, and urea nitrogen rise and oliguria or anuria. Its cause is numerous. Generally, it occurs because of damage to kidney tissue caused by decreased blood flow (ischemic kidney), low blood pressure or hypotension, exposure to substance harmful to the kidney, inflammatory process, or an obstruction of the urinary tract.