EmphysemaFrom our partner site on asthma, MyAsthmaCentral.com.
Signs and tests: advertisement A physical examination may show wheezing, decreased breath sounds, or prolonged exhalation (exhalation takes more than twice as long as inspiration). The chest may be barrel-shaped. There may be signs of chronically insufficient oxygen levels in the blood. These tests help confirm the diagnosis:
This disease may also alter the results of the following tests:
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