Hypotension induced by subarachnoid sympathetic blockade.
D000758:Anesthesia; D000765:Anesthesia, Conduction; D000775:Anesthesia, Spinal; D006801:Humans; D007022:Hypotension; D007023:Hypotension, Controlled
ANESTHESIA, REGIONAL; ANESTHESIA, SPINAL; HYPOTENSION/artificial