title: Delayed cephalad spread of a lidocaine spinal anesthetic causing ventilatory failure.
mesh_terms: D000762:Anesthesia Recovery Period; D000775:Anesthesia, Spinal; D004417:Dyspnea / Q000139:chemically induced* / Q000628:therapy; D005260:Female; D006801:Humans; D008012:Lidocaine / Q000009:adverse effects* / Q000134:cerebrospinal fluid; D008875:Middle Aged; D011184:Postoperative Period; D012121:Respiration, Artificial; D013346:Subarachnoid Space; D001749:Urinary Bladder Neoplasms / Q000601:surgery
chemical_list: D008012:Lidocaine