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Sunday, September 7, 2008
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Stool ova and parasites examDefinitionStool ova and parasites exam is a laboratory test that checks a stool sample for parasites or eggs (ova) that are associated with intestinal infections. Alternative NamesParasites and stool ova examWhy the Test is PerformedYour doctor may order this test if you have signs of a parasitic infestation, prolonged diarrhea of unknown cause, or other intestinal symptoms. How the Test is PerformedA stool sample is needed. There are many ways to collect the sample. You can catch the stool on plastic wrap that is loosely placed over the toilet bowl and held in place by the toilet seat. Then, put the sample in a clean container. One test kit supplies a special toilet tissue that you use to collect the sample, then put the sample in a clean container. To collect a sample from a child in diapers, line the diaper with plastic wrap. If the plastic wrap is positioned properly, you can keep the stool separate from urine, thus ensuring a better sample. Return the sample to your health care provider's office or laboratory as directed. At the lab, a small smear of stool is placed on a microscope slide and examined. How the Test Will FeelThe laboratory test does not involve the patient. There is no discomfort. RisksThere are no risks. Normal ResultsThere are no parasites or eggs in the stool sample. What Abnormal Results MeanAn abnormal result means parasites or eggs are present in the stool. This is a sign of a parasitic infestation. Such infections include:
Review Date: 12/3/2007 Reviewed By: D. Scott Smith, M.D., MSc, DTM&H, Chief of Infectious Disease & Geographic Medicine, Kaiser Redwood City, CA & Adjunct Assistant Professor, Stanford University. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited. |