Surgery and Perioperative Care

A 13-year-old boy with obesity has had aching pain in his left knee for three weeks. He suddenly develops severe groin pain while rising from a chair and cannot…

A 24-year-old woman presents with 12 hours of abdominal pain, nausea and anorexia. The pain began around the umbilicus and is now most severe in the right iliac…

A 66-year-old man is five days after an ultra-low anterior resection for rectal cancer and had initially been recovering well. Overnight he developed an irregul…