RT Book, Section A1 Nicks, Bret A. A1 Manthey, David A2 Tintinalli, Judith E. A2 Stapczynski, J. Stephan A2 Ma, O. John A2 Yealy, Donald M. A2 Meckler, Garth D. A2 Cline, David M. SR Print(0) ID 1121504816 T1 Pneumothorax T2 Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071794763 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1121504816 RD 2024/03/28 AB Pneumothorax occurs when free air enters the potential space between the visceral and parietal pleura. Primary pneumothoraces occur without clinically apparent lung disease, either spontaneously or from penetration of the intrapleural space by trauma. Secondary pneumothoraces occur in patients with underlying lung disease.