A foal with azotemia, acidemia, and electrolyte abnormalities was diag
nosed with uroperitoneum. The foal was anesthetized with isoflurane, a
nd throughout the 4 hours of anesthesia and abdominal surgery, its mea
n arterial pressure ranged between 45 and 65 mm Hg. The foal developed
a myopathy postoperatively and died 24 hours after surgery. (C) Copyr
ight 1995 by The American College of Veterinary Surgeons