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6 Cards in this Set

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Ephysema due to

Alpha 1 anti-trypsin deficiency

Purpose of alpha 1 anti-trypsin

Keep protolytic enzymes in the lung in check. Without it the enzymes attack elastin and cause loss of recoil.

Secondary emphysema

Proteolytic inhibition is disrupted by inhaled toxins from cigarette smoke.

Fev1/fvc less than .7 means

Obstructed disease

Fev1/fvc more than .7

Restrictive disease

If fev1/fvc less than .7, what about pre ans post bronchodilation

Greater than 12 percent change is asthma and less than 12 percent is nom