Bullous Emphysema

Hyperinflation

• Hyperlucency

• Low set flat diaphragm

• Vertical heart

• Pre and infracardiac lungs

• Barrel shape

Emphysema

• Avascular zones

• Bleb walls

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

• Hyperlucency

• Low set flat diaphragm

• Pre and infracardiac lungs

• Barrel shape

• Multiple blebs

• Avascular zones