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.
This is the reason that drug tests, namely urine tests, look for 9-carboxy-THC. Many of the following numbers are estimates. Typical Periods of Time that Marijuana Use May be Detectedâ¡. â¡ Some private companies may use hair tests to detect possible marijuana use.The detection period for 9-carboxy-THC in urine may be as long as three months in extremely heavy users. Research on saliva tests indicated that they may be able to detect THC up to eight hours after ingestion but they aren't widely used.