Respiratory Syncytial Virus (RSV) Infection - Exams and Tests
In otherwise healthy people, it is not usually necessary to distinguish respiratory syncytial virus (RSV) infection from a common cold. A doctor may suspect RSV infection as the cause of symptoms when there is evidence of a recent community outbreak. It is generally not necessary to confirm RSV infection with lab tests. But a medical history and physical exam may be done to evaluate symptoms.
A viral detection test may be done to confirm a diagnosis of RSV in symptomatic children and adults older than 65 who are at an increased risk for a severe infection or for complications. The test involves lab analysis of nasal drainage, obtained with a cotton swab or nasal wash. Testing may also be recommended for people who are hospitalized if the cause of symptoms has not already been determined and they have a high risk of developing complications.
Understanding Pneumonia -- the Basics
Pneumonia is an inflammation of the lungs. Usually the inflammation is caused by an infection, but it can also be caused by breathing certain chemical fumes. It's a more common problem than most people think. Usually pneumonia is a mild disease, but some forms are very dangerous. In all cases, you'll need a doctor's advice. Pneumonia can affect just one lobe of the right or left lung, a whole lung, or both lungs. Many different kinds of germs infect the lungs and cause pneumonia. Infected lungs...
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The results of viral detection tests help determine whether precautions are needed to prevent the spread of infection. For children who are at risk for getting severe infections or complications of RSV infections, the results of these tests may help guide treatment, such as the need for medicines.
Certain tests may be needed if RSV symptoms do not improve or become worse or if complications such as bronchiolitis or pneumonia are suspected. These tests may include:
- A chest X-ray, which may show signs of pneumonia.
- Blood tests, such as a chemistry screening, a complete blood count, or arterial blood gases analysis.
- Oximetry, to measure the amount of oxygen in the blood.
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