How To Get And Preserve Urine Samples

Urine is an extremely important secretion of the body, responsible for excreting out the toxic substances, the residues produced in the metabolism of substances. In addition to the urine test, several species of parasitic worms were found. The change in physical and chemical properties, the composition of urine clearly reflects the disorder in the metabolism of substances and activities of internal organs such as the liver, kidneys, endocrine glands. The purpose of a urine test is to help diagnose and monitor the treatment process of the above-mentioned organs.
Urine test once
Tools: use big test tubes or bottles with lids. All must be clean and dry. It is best to use a plastic container, and use it once and then discard it.
Time of collection: urine is usually taken in the early morning, when hungry (when the patient wakes up)

Urine will now be most concentrated because it will accumulate in the bladder for a long time and will not depend on the diet and body activity like daytime Therefore, taking urine at this time for testing is the best time. In some special cases, the best time to collect urine is as follows:
If urine glucose is suspected, urine should be taken after meals.


How To Get And Preserve Urine Samples

.
Take urine every 2 hours to test for urobilinogen in hemolytic disease, or addis sediment.
Urinary tract infection, take urine early in the morning to wake up. With regular qualitative tests, use urine at any time of the day.
How to take: The medical staff will give the patient a clean bottle labeled ID, name, year of birth and guide the patient to collect urine in the middle of the stream as follows:
Clean the urinary tract before taking.
Remove the first urine stream, take the urine in the middle section into about 1/2 vial containing, remove the remaining urine (due to contamination by mucus, bong cells, bacteria)
Then take the urine vial to the laboratory

Note: tell patients not to take urine after drinking too much water, or after a hard working regime, or after eating
Methods of preservation:
It is best to use fresh urine at laboratory temperature. Therefore, urine after being taken is taken to the laboratory immediately, no later than one hour after collection.
If the time taken for too long urine is fermented by bacteria. Excessive heat can also damage urine samples.


How To Get And Preserve Urine Samples

. Specifically, the organic matter in urine will decompose, urea will be broken down into NH3. Therefore, it will increase the pH of urine. Red blood cells and white blood cells are also completely deformed. Other inorganic organic matter will also decompose
If urine samples have not been analyzed immediately, they can be stored at a temperature of 2-8 degrees C for 3 days. If the water is aged longer than 3 days, it must be stored in the freezer.
Get urine 24 hours
Pharmacology used in quantitative tests such as quantitative urine glucose, quantitative proteinuria, ...
Tools: usually use a pot with lid or jar with volume divider.


How To Get And Preserve Urine Samples

. The pot and the container of urine should be washed, not mixed with detergent, flush with boiling water to kill all bacteria, including lids.
How to get:
At the appointed time, give the patient all urine, discard that portion of urine For the next 24 hours, all urine of the patient will be collected in a potty or into a clean container (collect the urine as the patient defecates). The next day at the 24th hour will let the last patient urinate in the pot or bottle of 24-hour urine.
How to tell patients:
At six o'clock in the morning, he left. The next time you urinate, the entire collection in the potty or bottle (even when defecation). Until the next morning at six o'clock, urinate into the potty or bottle. Put potty or urine container in a cool, covered place to avoid evaporation. Every time you put urine into the bottle, shake well to mix with preservative.
Methods of preservation:
To prevent fermentation and damage to cells and to prevent the growth of impurities, the following anti-rot substances are used:
Thymol mixed in alcohol to create a 10% solution, giving 5-10ml / 24-hour urine.


How To Get And Preserve Urine Samples

Take care not to use thymol when doing tests involving proteins, bilirubin, glucose, as thymol will cause incorrect results.
Phenol: 1 drop drops are used for 30ml of urine.
Acid HCl uses 5ml for 24-hour urine.
0.8% boric acid has little effect on test results.
Choloform or 10% formol is not used when testing glucose.
KTV. KHONG VY

. Dịch vụ: Thiết kế website, quảng cáo google, đăng ký website bộ công thương uy tín

Related news

  • Parasitical Worms.com Tests to find the cause of urticaria, diagnosis of urticaria results will be available throughout the day. After the results the doctor will explain, point out the abnormal signs for your child to understand and he will prescribe medication for home. Question Hello doctor: I ...
  • Parasitical Worms.com Adult flukes are very small, 3 - 6 mm long, with 4 suction heads and a double hook, very short neck; coal consists of 3 segments, the final flukes have several hundred eggs, size 45 x 35 mcm, very similar to Toenia spp eggs. The disease is caused by the larva Echinococcus ...
  • Parasitical Worms.com Some diseases caused by larvae of the anisakinae family parasitize marine mammals. In humans, the parasite falls into a dead-end, or severe or severe illness depending on the place of parasite, number of larvae and tissue responses. Diagnosis is often difficult and the most ...
  • Parasitical Worms.com Illness caused by the nematode of Angiostrongylus cantonensis parasitizes and causes disease in the meninges, invasion of the brain can lead to death. Commonly called Meningitis - brain caused by Angiostrongylus cantonensis. The causative agent of nematode ...
  • Fascioliasis is two types of fascioliasis and small liver fluke. People are infected with food, skin. Flukes can cause hepatitis, liver tumors, liver necrosis, but fortunately, liver fluke can be cured if detected early, treated in a reputable facility with a good doctor, using drugs. Good, ...
  • Parasitical Worms.com Diagnosis is determined by seeing sparganum larvae from the wound. Clinical and prehistoric images of frog meat, eye-copying as well as the habit of eating undercooked snakes, mice, and eels are important factors for diagnosis. Doctor: Le Thi Huong Giang Medical Consultation: ...
  • MUSHROOM DISEASE (Aspergillus) 1. Epidemiology. Aspergillus fungus is one of the largest fungal strains, present in all over the world, there are about 100 species, currently there are about 20-30 species that cause disease in humans, important strains are A. fumigatus, A. flavus , A. niger such as ...
  • MUSHROOM DISEASE Cryptococcosis (Tolurosis, European Blastomycois) 1. Etiology and epidemiology Cryptococcosis is also known as the European Blastomycose mycosis caused by Cryptoccocus neoformans, a thick cystic yeast, has serotypes A, D (C. neoformans var. Neoformans) and B, C ( C.neoformans var. ...
  • MUSHROOM DISEASE Sporotrichosis (Gardener Disease) 1. Epidemiology and etiology Sporotrichosis is a chronic disease caused by Sporothrix schenckii that causes damage to the skin or internal organs (also known as gardener disease - gardener's disease). This is a dimorphic mushroom. In nature, ...
  • CANDIDA MUSHROOM 1. Germs Candidiasis is an acute, subacute or chronic disease caused by Candida-like yeasts, mostly Candida albicans. Candidiasis is available in the body (bronchus, oral cavity, intestine, vagina, skin around the anus) normally in non-pathogenic form. When having favorable ...