Find clinic locations for Fort HealthCare and affiliated clinics and services in Jefferson County, Wisconsin.
Find services offered by Fort HealthCare and affiliated clinics in Jefferson County, Wisconsin.
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RSV rapid detection, RSV indirect immunofluorescence assay, IFA
This test looks at cells taken from fluid in your nose or throat to see if you have respiratory syncytial virus (RSV). RSV attacks the upper respiratory tract.
This test looks for antigens in these nose or throat cells to quickly diagnose an infection. An antigen is a substance in the virus that causes your body's immune system to make antibodies. The test is accurate 80% to 90% of the time.
If you have RSV, you can spread it to others through coughing and sneezing for about 10 days after your symptoms start. Once you have been infected, you are less likely to get it again. If you do, your symptoms are likely to be milder.
If your symptoms are severe, you may need treatment in the hospital. .
You may need this test if you have symptoms of RSV and you are at risk for a serious infection such as bronchiolitis or pneumonia. This test is more commonly used in babies and young children. Symptoms of RSV infection may include:
Runny nose
Sore throat
Cough
Fever
Wheezing
Headache
Severe tiredness (fatigue)
For most people, RSV symptoms go away on their own within a few days to a few weeks. But babies, young children, older adults, and people with aweak immune system are at risk for severe infections from this virus.
You may need this test to:
Make an early and quick diagnosis to start early treatment
Make an early and quick diagnosis to help prevent you from spreading the virus to others
Diagnose RSV so that your healthcare provider can rule out other causes of respiratory disease
Your healthcare provider may also use a cell culture to test your nasal or throat secretions. Blood tests to diagnose RSV are also available. But it can take a long time to get these test results.
Test results may vary depending on your age, gender, health history, and other things. Your test results may be different depending on the lab used. They may not mean you have a problem. Ask your healthcare provider what your test results mean for you.
Normal results are negative, meaning you don't have RSV. If your test is positive, you may be infected with RSV.
This test is done with a sample of secretions from the area at the back of your nose or throat, or both. Your healthcare provider may collect the sample by using a swab, a soft rubber bulb, or a plastic tube called a catheter. You may need to tip your head back for this.
This test poses no known risks. You may feel some mild discomfort or a gagging sensation as the provider collects the sample.
This test may be affected by how soon the test is done after your infection starts. It works best if the test is done in the first few days after symptoms begin. The results are more reliable in young children and less reliable in older children and adults.
You don't need to get ready for this test. Be sure your healthcare provider knows about all medicines, herbs, vitamins, and supplements you are taking. This includes medicines that don't need a prescription and any illegal drugs you may use.