Incorrect Epidural Injection Directly into Blood Vessels of the Thecal Sac - Medical Illustration, Human Anatomy Drawing
This medical illustration depicts a sagittal (side cutaway) section anatomy of the lumbosacral spine and three scenerios of an L4-5 epidural injection. Enlarged insets of the injection site demonstrate these condition: appropriate placement of the needle in the epidural space, damage of internal vertebral venous plexus, and injection of anesthetic directly into the blood stream via the venous plexus.
