RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58098098 T1 Pneumothorax T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58098098 RD 2024/04/20 AB • Air in pleural space• Breach in parietal or visceral pleura• Described as percentage of chest cavity involved• Open pneumothorax is associated with open sucking chest wound• Tension pneumothorax causes shift in mediastinum toward contralateral lung• 5-10% small pleural effusion present, may be hemorrhagic