Emphysema

Alpha 1 Anti-Trypsin Deficiency

Hyperinflation

• Hyperlucency

• Low set flat diaphragm

• Vertical heart

• Pre and infra cardiac lungs

• Barrel shape

Emphysema

• Avascular zones

• Cephalization of upper lung fields is not evident

• Predominant basal involvement (not evident)

Many of these features are to be evaluated in the lateral view below.

• Hyperlucency

• Low set flat diaphragm

• Pre and infra cardiac lungs

• Barrel shape