kidney stones facts - Uric Acid Testing
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Uric Acid Testing
Definition Uric acid tests are tests that are done to measure the levels of uric acid in blood serum or in urine. Purpose
Key Terms - Fanconi's syndrome
- A rare disorder caused by vitamin D deficiency or exposure to heavy metals.
- Gout
- A metabolic disorder characterized by sudden recurring attacks of arthritis caused by deposits of crystals that build up in the joints due to abnormally high uric acid blood levels. In gout, uric acid may be overproduced, underexcreted, or both.
- Hyperuricemia
- Excessively high levels of uric acid in the blood, often producing gout.
- Purine
- A white crystalline substance that is one of the building blocks of DNA. Uric acid is produced when purine is broken down in the body.
- Uric acid
- A compound resulting from the body's breakdown of purine. It is normally present in human urine only in small amounts.
- Uricosuria
- Increased levels of uric acid in the urine.
- Wilson's disease
- A rare hereditary disease marked by the buildup of copper in the liver and brain, causing loss of kidney function.
Further Reading For Your Information Books - Laboratory Test Handbook, edited by David S. Jacobs. Cleveland, OH: Lexi-Comp Inc., 1996.
- Mosby's Diagnostic and Laboratory Test Reference, edited by Kathleen Deska Pagana and Timothy James Pagana. St. Louis: Mosby-Year Book, Inc., 1998.
- Springhouse Corporation. Handbook of Diagnostic Tests, edited by Matthew Cahill. Springhouse, PA: Springhouse Corporation, 1995.
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Preparation The uric acid test requires either a blood or urine sample. For the blood sample, the patient should be fasting (nothing to eat or drink) for at least eight hours before the test. The urine test for uric acid requires a 24-hour urine collection. The urine test does not require the patient to fast or cut down on fluids. Some laboratories encourage patients to drink plenty of fluids during the collection period. It was at the spur of the moment that we ventured to write something about kidney stones facts. Such is the amount of matter that is available on kidney stones facts.
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Abnormal results The critical value for the blood test is a level of uric acid higher than 12 milligrams per deciliter (about 4 ounces). We were furnished with so many points to include while writing about kidney stones facts that we were actually lost as to which to use and which to discard!
Description The uric acid blood test is performed on a sample of the patient's blood, withdrawn from a vein into a vacuum tube. The procedure, which is called a venipuncture, takes about five minutes. The urine test requires the patient to collect all urine voided over a 24-hour period, with the exception of the very first specimen. The patient keeps the specimen container on ice or in the refrigerator during the collection period. The results of one reading this composition is a good understanding on the topic of kidney stones facts. So do go ahead and read this to learn more about kidney stones facts.
If you wish to learn more about Gout, Purines, or Uric Acid, check out Steve's s The Internet Guides. The Internet Guide: Uric Acid: http://gout.smartadssecrets.com/uric_acid Sometimes, what we hear about kidney stones facts can prove to be rather hilarious and illogical. This is why we have introduced this side of kidney stones facts to you.
Uric acid is a waste product that results from the breakdown of purine, a nucleic acid. (Nucleic acids are the building blocks of DNA.) Uric acid is made in the liver and excreted by the kidneys. If the liver produces too much uric acid or the kidneys excrete too little, the patient will have too much uric acid in the blood. This condition is called hyperuricemia. Supersaturated uric acid in the urine (uricosuria) can crystallize to form kidney stones that may block the tubes that lead from the kidneys to the bladder (the ureters).
Normal results Blood test Reference values for blood uric acid vary from laboratory to laboratory but are generally found within the following range: Male: 2.1-8.5 mg/dL; female: 2.0-6.6 mg/dL. Values may be slightly higher in the elderly. Writing an article on kidney stones facts was our foremost priority while thinking of a topic to write on. This is because kidney stones facts are interesting parts of our lives, and are needed by us.
Urine test Patients should be checked for the following medications before the urine test: diuretics, aspirin, pyrazinamide (Tebrazid), phenylbutazone, probenecid (Benemid), and allopurinol (Lopurin). If the patient needs to continue taking these medications, the laboratory should be notified. Remember that it is very important to have a disciplined mode of writing when writing. This is because it is difficult to complete something started if there is no discipline in writing especially when writing on kidney stones facts
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The laboratory should also be notified if the patient has had recent x-ray tests requiring contrast dyes. These chemicals increase uric acid levels in urine and decrease them in blood.
Risks Risks for the blood test are minimal, but may include slight bleeding from the puncture site, a small bruise or swelling in the area, or fainting or feeling lightheaded. It is only through sheer determination that we were able to complete this composition on kidney stones facts. Determination, and regular time table for writing helps in writing essays, reports and articles.
Decreased excretion of uric acid is seen in chronic kidney disease, low thyroid, toxemia of pregnancy, and alcoholism. Patients with gout excrete less than half the uric acid in their blood as other persons. Only 10-15% of the total cases of hyperuricemia, however, are caused by gout. There is a lot of jargon connected with kidney stones facts. However, we have eliminated the difficult ones, and only used the ones understood by everyone.
Urine test Reference values for 24-hour urinary uric acid vary from laboratory to laboratory but are generally found within the following range: 250-750 mg/24 hours. It is only because that we are rather fluent on the subject of kidney stones facts that we have ventured on writing something so influential on kidney stones facts like this!
Certain foods that are high in purine may increase the patient's levels of uric acid. These include kidneys, liver, sweetbreads, sardines, anchovies, and meat extracts.
Increased production of uric acid may result from eating foods that are high in purine. Increased uric acid levels due to overproduction may also be caused by gout, by a genetic disorder of purine metabolism, or by metastatic cancer, destruction of red blood cells, leukemia, or cancer chemotherapy. Although there was a lot of fluctuation in the writing styles of we independent writers, we have come up with an end product on kidney stones facts worth reading!
Precautions Blood test Patients scheduled for a blood test for uric acid should be checked for the following medications: loop diuretics (Diamox, Bumex, Edecrin, or Lasix); ethambutol (Myambutol); vincristine (Oncovin); pyrazinamide (Tebrazid); thiazide diuretics (Naturetin, Hydrex, Diuril, Esidrix, HydroDiuril, Aquatensen, Renese, Diurese); aspirin (low doses); acetaminophen (Tylenol); ascorbic acid (vitamin C preparations); levodopa (Larodopa); or phenacetin. These drugs can affect test results.
The Internet Guide: Gout - http://gout.smartadsscrets.com The Internet Guide: Purines - http://gout.smartadssecrets.com/purines We would like you to leisurely go through this article on kidney stones facts to get the real impact of the article. kidney stones facts is a topic that has to be read clearly to be understood.
The uric acid tests are used to evaluate the blood levels of uric acid for gout and to assess uric acid levels in the urine for kidney stone formation. The urine test is used most often to monitor patients already diagnosed with kidney stones, but it can also be used to detect disorders that affect the body's production of uric acid and to help measure the level of kidney functioning. When a child shows a flicker of understanding when talking about kidney stones facts, we feel that the objective of the meaning of kidney stones facts being spread, being achieved.
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