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Symptoms of Atelectasis. The list of signs and symptoms mentioned in various sources for Atelectasis includes the 5 symptoms listed below: Breathlessness. Pain. Increased heart rate. Infection. Fever. more information...Â».
Definition. Atelectasis is a collapse of lung tissue affecting part or all of one lung. This condition prevents normal oxygen absoption to healthy tissues. Description. Atelectasis can result from an obstruction (blockage) of the airways that affects tiny air scas called alveoli. Alveoli are very thin-walled and contain a rich blood supply.