Acute renal failure

Acute renal failure

Acute renal failure is defined as an increased creatinine concentration in a short period of time or a sudden decrease of urine production (oliguria or anuria). Symptoms and signs of ARF depend on its cause and severity: hypertension, headache, change in weight, edema, oliguria, nocturia, fatigue, nausea, lethargy, confusion, seizures, delirium, and coma. Acute renal failure can have a prerenal, intrarenal or postrenal origin.


What is true about acute renal failure?


Which of the following is NOT true regarding prognosis in acute renal failure?