Which of the following values are suggestive of acute tubular necrosis -
In acute tubular necrosis - Urine sodium ->40meq/L Urine osmolality -<350mosmol/L BUN /plasma creatinine=10-15:1 Urine creatinine/plasma creatinine-<20 Casts-muddy brown Ref:Harrison 20th edition pg no. 291