RT Book, Section A1 Reichman, Eric F. SR Print(0) ID 57704101 T1 Chapter 40. Thoracentesis T2 Emergency Medicine Procedures, 2e YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-161352-1 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=57704101 RD 2024/04/20 AB Thoracentesis is a term derived from the Greek meaning “to pierce the chest.” It is used today to refer to the removal of air or fluid from the thoracic cavity. Accumulation of pleural fluid is not a specific diagnosis but rather a reflection of an underlying process. In almost all newly discovered pleural effusions, thoracentesis should be performed to aid in the diagnosis and management of the underlying etiology.