Explore the intricacies of pneumothorax in this 15-minute video lecture on pulmonary medicine. Delve into the differences between spontaneous and tension pneumothorax, examining their causes, physical exam findings, and underlying lung physiology. Learn about the presence of air inside the pleural cavity and its effects on respiratory function. Gain valuable insights into the diagnosis and management of this potentially life-threatening condition, enhancing your understanding of pulmonary emergencies and thoracic medicine.