what is dependent atelectasis in the lung bases
Atelectasis (at-uh-LEK-tuh-sis) is a condition in which one or more areas of your lungs collapse or don't inflate properly. If only a small area or a few small areas of the lungs are affected, you may have no signs or symptoms.If a large area or several large areas of the lungs are affected, they may not be able to deliver enough oxygen to your blood. This can cause symptoms and complications.f only a small area or a few small areas of the lungs are affected, you may have no signs or symptoms. If a large area or several large areas of the lungs are affected, they may not be able to deliver enough oxygen to your blood. This can cause symptoms and complications.