surgical

Question 1

in a patient with metabolic alkalosis and recent gastric bypass surgery the radiologist suggests giving the patient a small amount of water 15 minutes prior to the scan. What is their reasoning?

Answer 1

• Small amount because of small stomach
• Water as contrast define the anatomy (evaluating the gastric pouch and
  gastrojejunostomy anastomosis)
• Water is safe in the setting of an anastomotic leak
• Assesses transit time

Question 2

List four (4) late complications of gastric bypass bariatric surgery

Answer 2

• dumping syndrome/diarrhoea with dehydration and electrolyte disturbance
• small bowel obstruction (adhesions, strictures, internal hernia)
• bowel perf/collection/abscess
• cholelithiasis