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Dark yellow-brown to green urine may suggest a high concentration of bilirubin, a state known as bilirubinuria. [26] [27] Red urine often indicates the presence of red blood cells or hemoglobin, but can also be caused by some medications and the consumption of foods containing red pigments, [26] such as beets.
The fluorescein dye also reappears in the patient urine, causing the urine to appear darker, and sometimes orange. [2] It can also cause discolouration of the saliva. Fluorescein angiography is one of several health care applications of this dye, all of which have a risk of severe adverse effects. See fluorescein safety in health care applications.
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.
The many colors of urine. Urine varies in color from pale yellow to deep amber, primarily due to urochrome, a byproduct of the normal breakdown of red blood cells. As these cells age, they are ...
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A urine test is any medical test performed on a urine specimen. The analysis of urine is a valuable diagnostic tool because its composition reflects the functioning of many body systems, particularly the kidneys and urinary system , and specimens are easy to obtain. [ 1 ]
Instrument Uses General instruments used in adult medicine are used in this branch of medicine: Ultrasonic stone disintegration apparatus: used to break down kidney stones into smaller fragments to allow them to pass out without the need of any surgery Cystoscope: an endoscope to view the urinary passage Urethral sound
A urine collection device or UCD is a device that allows the collection of urine for analysis (as in medical or forensic urinalysis) or for purposes of simple elimination (as in vehicles engaged in long voyages and not equipped with toilets, particularly aircraft and spacecraft). UCDs of the latter type are sometimes called piddle packs. [1]