CHAPTER 139 Culdocentesis (Colpocentesis)
Anatomy
The cul de sac is the lowest point in the abdominal cavity of a woman (when upright). The tissue septum between the posterior fornix of the vagina and the posterior cul de sac consists of vaginal mucosa, peritoneum, and little else. It is about 1 cm in thickness and contains no major blood vessels or organs. Thus, a needle introduced from the vagina into the cul de sac can easily access free fluid in the peritoneal cavity (Fig. 139-1).
Equipment and Supplies
The equipment for culdocentesis is simple and should be available in any emergency department or medical office with gynecologic capabilities (Fig. 139-2). The following are required:
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