![]() However, they may also be a sign of a more severe underlying condition. The test will measure how much air the person inhales and exhales and will show whether or not their breathing function is normal.Īnyone experiencing continuous abnormal breathing sounds should see a doctor for a proper diagnosis.Ībnormal breathing sounds often indicate common and treatable disorders. For this test, a person must cough up some sputum, which a doctor will then send to a laboratory to check for infectious germs.Ī pulmonary function test may help doctors determine if the airways are blocked or damaged. If an infection is present, sputum testing may be necessary to diagnose the cause of abnormal breath sounds. They may also order blood tests to check for signs of underlying conditions. It is likely that a doctor will order other tests, including imaging tests such as a plain film X-ray or CT scan to look at the chest structures. They may also ask when the symptoms began and if anything relieves or provokes them. ![]() They may ask about any medication the person is taking or has taken recently. Some doctors also use other listening tools, such as computerized lung sound analysis. This will help to identify the type of abnormal breath sound and narrow down the potential causes. Stridor can also be a symptom of inflammatory conditions, such as tonsillitis, epiglottitis, or croup (laryngotracheitis).Ī doctor will use a stethoscope to listen to the individual’s lungs and air passages as they breathe. A traumatic neck or chest injury involving the upper airway could result in a blockage too. A blockage may occur if a person breathes in a foreign object, chemical, or other harmful substance.
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