Hi @penn, You will notice that we merged your post with the following existing discussion so that you could connect with @cpalmer and others discussing a Superior Hypogastric Plexus Block. If you click the link below it will take you to the top of the discussion.
-- Hypogastric Plexus Block injection a problem given positional asphyxia
https://connect.mayoclinic.org/discussion/hypogastric-plexus-block-injection-a-problem-given-positional-asphyxia/