TY - CHAP M1 - Book, Section TI - Spontaneous and Iatrogenic Pneumothorax A1 - Cadogan, Mike A2 - Cydulka, Rita K. A2 - Fitch, Michael T. A2 - Joing, Scott A. A2 - Wang, Vincent J. A2 - Cline, David M. A2 - Ma, O. John PY - 2017 T2 - Tintinalli's Emergency Medicine Manual, 8e AB - Pneumothorax occurs when air or gas enters the pleural cavity, the potential space between the visceral and parietal pleura, leading to partial lung collapse. Smoking is the most common risk factor for spontaneous pneumothorax. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1143140367 ER -