title: Total spinal or massive subdural block?
mesh_terms: D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D000775:Anesthesia, Spinal; D005260:Female; D006801:Humans; D009407:Nerve Block; D011247:Pregnancy; D013355:Subdural Space