Three days after a cholecystectomy for cholelithiasis, a female client reports having persistent upper abdominal pain that radiates to her back. She has vomited three times in the last 12 hours and has a temperature of 101.8° F. (38.7° C). Serum amylase and lipase are twice the normal value. Based on these findings, the nurse should observe the client for which pathophysiological condition?