Urine nitrite

Some bacteria with obvious urinary tract infections can reduce nitrate to nitrite and then undergo a special chemical treatment to produce a red positive reaction. The degree of positive reaction is proportional to the number of bacteria in the urine. Diagnosing urinary tract infections requires urinary bacterial culture, which takes a long time and certain conditions, and qualitative urinary nitrite can quickly yield a result that is screened for analysis of urinary tract infections and Problems such as bacteriuria. Basic Information Specialist classification: urinary examination classification: urine / kidney function test Applicable gender: whether men and women apply fasting: not fasting Analysis results: Below normal: Normal value: no Above normal: negative: normal. Positive: It is found in urinary tract infections caused by Gram-negative bacilli such as Escherichia coli, Paramyxos, Proteus, Aerobacter, and Pseudomonas aeruginosa. Tips: It is better to leave your urine at 7 o'clock in the morning. Do not drink plenty of water before the urine test. Wash the vulva before leaving the urine. The container used should be clean and free from contamination. Do not mix chemicals such as detergents, disinfectants and preservatives to avoid affecting the inspection results. Women should not do this check during the menstrual period. Normal value negative. Clinical significance Positive for urinary tract infections caused by Gram-negative bacilli such as Escherichia coli, Paramyxos, Proteus, Aerobacter, and Pseudomonas aeruginosa. Positive results may be diseases: precautions for urinary tract infections Note before inspection: 1, take the urine in the bladder for more than 4 hours, usually at 7 o'clock in the morning to stay in the urine is better. Do not drink plenty of water before the urine test. 2, the urine volume for inspection: generally 5 ~ 10ml, if you want to measure the specific gravity of the urine can not be less than 50ml; should be sent immediately after the urine, to avoid the test results are wrong after the urine is placed. 3. Wash the vulva before leaving the urine. The container used should be clean and free of pollution. Do not mix chemicals such as detergents, disinfectants and preservatives to avoid affecting the inspection results. 4, women should not do this check during the menstrual period. Inspection process Inspection method: urine test. Not suitable for the crowd Menstrual women. Adverse reactions and risks no.