The attached video covers the pathology of Atelectasis. It includes the types, diagnoses and treatments of the Atelectasis. TIMELINE: 0:14 Definition 0:28 What does atelectasis result in? 0:39 Atelectasis refers to? 1:08 Types 1:20 Resorption atelectasis 3:16 Compression atelectasis 4:12 Contraction atelectasis 4:41 Round atelectasis 5:19 Right middle lobe syndrome 6:08 Subsegmental atelectasis 6:52 Diagnosis 7:18 Radiographic patterns in different lobar atelectasis 9:10 treatment 9:44 Atelectasis vs pneumonia radiography