[On preventive stabilization of arterial pressure in high spinal anesthesia].
D000758:Anesthesia; D000775:Anesthesia, Spinal / Q000150:complications*; D062186:Arterial Pressure; D006801:Humans; D007022:Hypotension / Q000209:etiology*
ANESTHESIA, SPINAL/complications; HYPOTENSION/etiology