Explore the comprehensive medical lecture on pneumothorax, covering spontaneous, tension, and traumatic types. Delve into the definition, mechanisms of lung collapse, causes, and distinctions between spontaneous and traumatic pneumothorax. Learn about primary and secondary spontaneous pneumothorax, including their underlying causes such as obstructive lung diseases and destructive cavitary conditions. Gain insights into the pathophysiology, clinical presentations, and management strategies for various pneumothorax types. Conclude with a rapid review to reinforce key concepts in this essential topic for medical professionals and students.