Definition and Etiology. Ascites is defined as the accumulation of fluid in the peritoneal cavity. It is a common clinical finding, with various extraperitoneal and peritoneal causes (Box 1), but it most often results from liver cirrhosis.
Tests for the detection of Bence-Jones Protein. Bradshaw Test. The urine specimen is treated with 1 or 2 drops of 33 per cent acetic acid to bring the pH down to 4.8 to 5.0, centrifuged clear, and diluted 1:1 with water. The diluted urine is layered carefully over concentrated HCl in a test tube.
Very low concentrations of cocaine may be detected in urine during the initial few hours after use. In general, cocaine metabolites like benzoylecgonine can be detected in urine 2â4 days after use for sporadic users and up to 12 days after use for chronic users or following a binge.Still, another factor in the detection of cocaine in the system is mode of administration and doseage.n general, cocaine metabolites like benzoylecgonine can be detected in urine 2â4 days after use for sporadic users and up to 12 days after use for chronic users or following a binge. Still, another factor in the detection of cocaine in the system is mode of administration and doseage.