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A nitrite test is a standard component of a urinary test strip. A positive test for nitrites in the urine is called nitrituria. This test is commonly used in diagnosing urinary tract infections (UTIs). A positive nitrite test indicates that the cause of the UTI is a Gram-negative organism, most commonly Escherichia coli. The reason for nitrites ...
Nitrite-reducing bacteria need to remain in contact with nitrate for long enough to produce detectable amounts (first urine produced in the morning or at least with a urine retention of 4 hours). Large numbers of bacteria can react to reduce nitrite to nitrogen, which will give a false negative result.
It normally ranges from 1.003 to 1.035; lower values indicate that the urine is dilute, while higher values mean that it is concentrated. A urine specific gravity that consistently remains around 1.010 ( isosthenuria ) can indicate kidney damage, as it suggests that the kidneys have lost the ability to control urine concentration. [ 39 ]
Urine is a liquid by-product of metabolism in humans and many other animals. ... Nitrate and nitrite: 0.06 mg/L Chemical oxygen demand: 6000 mg/L Total phosphorus:
Urine may contain pus (a condition known as pyuria) as seen from a person with sepsis due to a urinary tract infection. Lower urinary tract infection is also referred to as a bladder infection. The most common symptoms are burning with urination and having to urinate frequently (or an urge to urinate) in the absence of vaginal discharge and ...
Clinicians will often treat symptomatic bacteriuria based on the results of the urine dipstick test while waiting for the culture results. [citation needed] Bacteriuria can usually be detected using a urine dipstick test. The nitrite test detects nitrate-reducing bacteria if growing in high numbers in urine. A negative dipstick test does not ...
The apps collecting the most data about you are among the most widely used. Kurt the CyberGuy takes a look at 20 of these apps and how you can protect personal information.
Reference ranges for urine tests are described below: Measurement Lower limit Upper limit ... Nitrite: n/a: 0 / negative [2] Leukocytes: n/a: 0 / negative [2] See also.