2)Diuresis phase If the patient pass through the oliguria phase safely, the tubular EC may regenerate and the renal function would recover gradually An increasing urine volume is a signal of renal ec healing, and suggests the start-up of diuresis phase if it is more than 400 ml per day. After then, the urine volume increasing doubly up to 3-5/day and may last about one month 3737 2) Diuresis phase If the patient pass through the oliguria phase safely, the tubular EC may regenerate and the renal function would recover gradually. An increasing urine volume is a signal of renal EC healing, and suggests the start-up of diuresis phase if it is more than 400 ml per day. After then, the urine volume increasing doubly up to 3-5L/day and may last about one month