TY - CHAP M1 - Book, Section TI - Pneumothorax A1 - Nicks, Bret A. A1 - Manthey, David E. A2 - Tintinalli, Judith E. A2 - Ma, O. John A2 - Yealy, Donald M. A2 - Meckler, Garth D. A2 - Stapczynski, J. Stephan A2 - Cline, David M. A2 - Thomas, Stephen H. PY - 2020 T2 - Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 9e AB - Pneumothorax arises when free air enters the potential space between the visceral and parietal lung pleura. Primary pneumothoraces occur without clinically apparent lung disease, either spontaneously or from penetration of the intrapleural space by trauma. Secondary pneumothoraces happen in patients with underlying lung disease. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1166532977 ER -