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Atelectasis 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. Atelectasis can occur if the lungs can't fully expand and fill with air. Atelectasis has many causes.
The main goals of treating atelectasis are to treat the cause of the condition and to reexpand the collapsed lung tissue. Treatment may vary based on the underlying cause of the atelectasis. If atelectasis is caused by surgery, your doctor may recommend, Perform deep breathing exercises. This is very important after surgery. While in the hospital, you may use a device called an incentive spirometer. This device measures how much air you're breathing in and how fast you're breathing in. Using this device encourages you to breathe in deeply and slowly. If the cause is a tumor or fluid buildup, your doctor will remove the tumor or fluid. This will allow your lung to fully expand.
Atelectasis likely won't cause signs or symptoms if it only affects a small area of lung. If atelectasis affects a large area of lung, especially if it occurs suddenly, it may cause a low level of oxygen in your blood. The mortality of Atelectasis ranged from 7.1% to 54.4%. Fever and cough were most frequently identified in manifestations.