Ratio of FEV / VC Flashcards by Kyle Kravetz | Brainscape

Q

What (FEV 1 / VC) indicates mild obstructive disease?

A

60 - 80%

>80% is normal

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Q

What (FEV 1 / VC) indicates moderate obstructive disease?

A

40 - 60%

>80% is normal

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Q

What (FEV 1 / VC) indicates severe obstructive disease?

A

<40 %

>80% is normal

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