This video quickly explains the concept of Atelectasis. This includes causes, risk factors, symptoms, treatment, complications and prognosis of the disease. TIMELINE: 0:03 What is Atelectasis? 0:23 Causes 0:46 Risk factors 1:12 Symptoms 1:25 Tests for diagnosis of Atelectasis 1:47 Treatment 2:02 Complications and preventions 2:56 Prognosis