Accidental subdural analgesia: A case report, possible clinical implications and relevance to "massive extradurals".
A continuous obstetric epidural is described, in which an abnormally extensive block and hypotension resulted. The catheter was subsequently shown to enter the subdural space. As this case resembles a "massive epidural", it is suggested that subdural injection may explain the phenomenon.
D000328:Adult; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical; D001794:Blood Pressure / Q000187:drug effects; D005260:Female; D006801:Humans; D007751:Labor, Induced; D011247:Pregnancy; D013355:Subdural Space; D013575:Syncope / Q000139:chemically induced; D014839:Vomiting / Q000139:chemically induced