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Last updated: 11/24/2009
A urinalysis is a group of manual and/or automated qualitative and semi-quantitative tests performed on a urine sample. A routine urinalysis usually includes the following tests: color, transparency, specific gravity, pH, protein, glucose, ketones,...
blood, bilirubin, nitrite, urobilinogen, and leukocyte esterase. Some laboratories include a microscopic examination of urinary sediment with all routine urinalysis tests. If not, it is customary to perform the microscopic exam, if transparency, glucose, protein, blood, nitrite, or leukocyte esterase is abnormal.
While it may seem automatic, the release of urine from the urinary bladder requires a fairly complex coordination of several muscles. The animation shows the process involved in release of urine from the bladder.
A urinalysis (or "UA") is an array of tests performed on urine and one of the most common methods of medical diagnosis. A part of a urinalysis can be performed by using urine dipsticks, in which the test results can be read as color changes.
As a urologist, I've found it's easier to do the PSA test and then sit down with the patient and say here's what the results mean for you. Given what we know right now, that seems a very sensible approach.
-Dr. Evan Vapnek
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