title: Peridural effusion of drugs following sympathetic blockade.
mesh_terms: D000368:Aged; D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal / Q000009:adverse effects*; D003973:Diatrizoate / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007278:Injections, Spinal; D008012:Lidocaine / Q000494:pharmacology*; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography
chemical_list: D003973:Diatrizoate; D008012:Lidocaine