Be sure to tell your doctor about any medications, prescription or otherwise, you currently take. They may affect the results of this test. An RSV test may be done in several different ways. All of them are quick, painless, and considered highly effective in diagnosing the presence of the virus:.
There are almost no risks associated with this test. You might feel a little uncomfortable or nauseous when a nasal swab is inserted deep into your nose. Your nose might bleed or the tissues may become irritated. In most cases, a positive result means that you have an RSV infection.
Your doctor will let you know what your next steps should be. A nasal swab is also more comfortable than a blood test, especially for infants and young children, and it has far fewer risks. Blood is drawn from a vein, usually at the inside of your elbow.
A blood draw typically involves the following steps:. You may feel moderate pain or a sharp prick when the needle is inserted. You may also feel dizzy or lightheaded after the blood draw. A normal, or negative, blood test result may mean that there are no antibodies for RSV in your blood. These results are not often accurate, especially in babies, even with severe infections. Again, RSV blood test results may not be accurate. RSV infections often happen in epidemics that last from late fall through early spring.
Respiratory illness caused by RSV — such as bronchiolitis or pneumonia — usually lasts about a week, but some cases may last several weeks. Health care providers usually diagnose respiratory syncytial virus by taking a medical history and doing an exam.
In most healthy kids, they don't need to distinguish RSV from a common cold. But if a child has other health conditions or more serious symptoms, they might want to make a specific RSV diagnosis. In that case, the virus is identified by testing nasal fluids.
The sample is collected either with a cotton swab or by suction through a bulb syringe. Most cases of respiratory syncytial virus are mild and don't need medical treatment. Antibiotics aren't used because RSV is a virus — antibiotics work only against bacteria.
RSV infection can be more serious in babies, though. Some might need treatment in a hospital. VRS: lo que debe saber. Links with this icon indicate that you are leaving the CDC website.
Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. You will be subject to the destination website's privacy policy when you follow the link. Overview Respiratory syncytial virus RSV causes infections of the lungs and respiratory tract. Request an Appointment at Mayo Clinic. Share on: Facebook Twitter.
Show references Kliegman RM, et al. Respiratory syncytial virus. In: Nelson Textbook of Pediatrics. Elsevier; Accessed Oct. Ferri FF. In: Ferri's Clinical Advisor Hurley LP, et al.
Primary care physicians' perspectives on respiratory syncytial virus RSV disease in adults and a potential RSV vaccine for adults. Chen X, et al. Applied Microbiology and Biotechnology. Respiratory syncytial virus infection RSV : Symptoms and care.
Centers for Disease Control and Prevention. Accessed Dec. Respiratory syncytial virus RSV infection child.
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