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A member asked:
Why do people have prolonged expiration in emphysema?
4 doctors weighed in across 2 answers
Time: This allows more time for the patient to expell trapped air from the chest.
Answered 10/6/2011
6.3k views
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Destruction of lung: When the lung gets destroyed from smoking in emphysema, they act like a plastic bag. Thus it is easy to inflate, but hard to deflate. Thus, it takes a lot longer to blow all the air out. That is why there is prolonged expiration in emphysema.
Answered 11/28/2017
5.5k views
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