However, they are also at a higher risk of infections in the upper respiratory tract from contact with equipment related to the test and the personnel performing the test. People with cystic fibrosis require more frequent lung function tests.Speak with your doctor before your test if you think you may have symptoms of COVID-19. While a variety of illnesses can spread through the air, the gravest concern at present is the coronavirus that causes COVID-19. This risk applies both to the medical staff and to patients who may be breathing in air where a previous patient was present. Since spirometry involves breathing aerosolized particles, there’s a risk of spreading airborne viral illnesses.This may also help protect you against the coronavirus that causes COVID-19 and other viruses. Use hand sanitizer liberally and wash your hands after the test. In addition, you may want to be careful about the laboratory infrastructure - the chair you’re sitting on, nearby tables and surface areas, and anything else you may come into contact with. It should be disinfected and replaced between patients. Other equipment pieces, such as the breathing valve and mouthpiece, may also transmit infection.According to a 2015 research review, researchers in at least one study found bacterial growth on spirometer tubing. These include respiratory illnesses such as influenza, measles, chicken pox, pneumonia, and tuberculosis. Although there is no data widely available on spirometer disinfection, there is potentially a concern that if the spirometer tubing is not disinfected correctly after each test, people may be at risk of infections by a variety of fungi microorganisms.However, there is a minor risk that you may get an indirect infection. There are few risks related to the spirometry test itself. Those with more severe breathing concerns or breathing complications that aren’t well managed are advised to have more frequent spirometry tests. When used to monitor breathing disorders, a spirometry test is typically done once every 1 or 2 years to monitor changes in breathing in people with well-controlled COPD or asthma. Afterward, your doctor will compare the results of the two measurements to see whether the bronchodilator helped increase your airflow. They’ll then ask you to wait 15 minutes before doing another set of measurements. If you have evidence of a breathing disorder, your doctor might then give you an inhaled medication known as a bronchodilator to open up your lungs after the first round of tests. Your entire appointment should last about 30 to 90 minutes. They’ll take the highest value from three close test readings and use it as your final result.
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