3121. PCR. Parvovirus B19 (blood, quantification)
Description
Parvovirus infection is a viral disease that manifests itself as a specific erythema on the face and extremities. The disease is especially dangerous for pregnant women. Determination of the genetic material of the virus in human blood confirms the fact of infection with parvovirus.
The test is widely used to diagnose parvovirus infection in people with a characteristic clinical picture of the disease, as well as screening during pregnancy. It is better to take it in combination with other pathogens that are part of the TORCH infection group.
When and who needs the test?
- differential diagnosis of infectious erythema in children or polyarthropathies in adults;
- acute or chronic anemia in patients with immunodeficiencies (in HIV-infected, recipients of donor organs);
- dropsy of newborns;
- diagnosis of parvovirus infection in pregnant women and assessment of the risk of fetal pathology;
- clarification of the causes of transient aplastic crisis in patients with congenital forms of hemolytic anemia.
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...