RT Book, Section A1 Leuck, JoAnna A1 Cizenski, Jennalee A2 Reichman, Eric F. SR Print(0) ID 1159807091 T1 Culdocentesis T2 Reichman's Emergency Medicine Procedures, 3e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259861925 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1159807091 RD 2024/04/19 AB Culdocentesis is a procedure used to sample peritoneal fluid to help confirm a diagnosis or to obtain a culture. It has mainly been used for diagnosing a ruptured ectopic pregnancy or ruptured ovarian cyst.1-11 Culdocentesis involves introducing a hollow needle through the posterior vaginal cuff and into the peritoneal space.1-11 This is a relatively simple and fast procedure. Ultrasound (US) has virtually replaced culdocentesis as the test of choice. US is minimally invasive, has high sensitivity, has a high specificity, and involves no ionizing radiation. Culdocentesis may still prove to be an important skill for the Emergency Physician to consider using for unstable patients and in low-resource settings that do not have US capabilities.