Acute Kidney Injury Treatment Acute Kidney Injury (AKI), also known as acute renal failure, occurs when the kidneys suddenly lose their ability to filter waste products and balance fluids in the body. This condition can develop quickly, whether in a hospital setting or during outpatient care, and requires immediate medical attention. https://www.canva.com/design/DAG59R6zKig/6-N6NM-E_GJtzBiLniZZ8A/view