title: Exceptionally prolonged anesthesia after a small dose of intrathecal bupivacaine.
mesh_terms: D000328:Adult; D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000779:Anesthetics, Local / Q000009:adverse effects*; D002045:Bupivacaine / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007278:Injections, Spinal
chemical_list: D000779:Anesthetics, Local; D002045:Bupivacaine