Conditions in which the function of KIDNEYS deteriorates suddenly in a matter of days or even hours. It is characterized by the sudden drop in GLOMERULAR FILTRATION RATE.

Abrupt reduction in kidney function. Acute kidney injury encompasses the entire spectrum of the syndrome including acute kidney failure; ACUTE KIDNEY TUBULAR NECROSIS; and other less severe conditions.

Synonyms: Acute Renal Insufficiency, Acute Kidney Injury, Acute Kidney Insufficiency, Acute Renal Injury, Renal Injury, Acute, Acute Kidney Failure, Renal Failure, Acute, Acute Renal Failure, Acute Kidney Insufficiencies, Acute Renal Injuries, Acute Renal Insufficiencies, Acute Kidney Injuries, Renal Failures, Acute, Kidney Insufficiency, Acute, Renal Insufficiencies, Acute, Kidney Failure, Acute, Kidney Insufficiencies, Acute, Renal Injuries, Acute, Kidney Failures, Acute, Renal Insufficiency, Acute, Kidney Injury, Acute, Acute Kidney Failures, Kidney Injuries, Acute, Acute Renal Failures