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The dot cancellation test or Bourdon–Wiersma test is a commonly used test of combined visual perception and vigilance. [ 1 ] [ 2 ] The test has been used in the evaluation of stroke where subjects were instructed to cross out all groups of four dots on an A4 paper.
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Automatic analysis of urine test strips using automated urine test strip analysers is a well-established practice in modern-day urinalysis. They can measure calcium , blood, glucose, bilirubin, urobilinogen, ketones, leukocytes, creatinine , microalbumin , pH, ascorbic acid and protein.
Urinalysis, a portmanteau of the words urine and analysis, [1] is a panel of medical tests that includes physical (macroscopic) examination of the urine, chemical evaluation using urine test strips, and microscopic examination.
It is a measure of the quantity of urine excreted in a specified period of time (per second or per minute). It is measured with uroflowmetry, a type of flow measurement. The letters "V" (for volume) and "Q" (a conventional symbol for flow rate) are both used as a symbol for urine flow rate. The V often has a dot , that is
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A range of test have been developed including smartphone based platforms, and tests targeting blood, saliva, faecal matter, urine, and tears have been proposed. [17] Saliva in particular may offer sufficiently high detection rates in tandem with a non-invasive and user friendly procedure, although reliability requires improvement. [18]
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