In acute tubular necrosis, all are true except
Acute tubular necrosis: - Muddy brown granular or tubular epithelial cell casts- FENa > 1%- UNa > 20 mmol/L- SG < 1.015 Ref: Harrison's 17/e p1757 table 273-2
Specific gravity of urine < 1.020
Urine Osmolatlity > 500
Blood urea: creatinine ratio < 20
Urine sodium < 20mmol/l
All India exam