Medical history A seven years old boy presented in a Emergency Service with complaints of diffuse abdominal pain and bilious vomiting, since 2 days, and absence of defecation since 6 days. History of constipated bowel habit and appendectomy performed 6 months ago. On physical examination, he had a distended abdomen. Clister with saline solution was performed during the treatment, with no stool output. Rectal examination showed no blood. Simple abdominal radiographs were requested (Images 1 and 2). Anteroposterior abdominal radiograph in a supine position.Anteroposterior abdominal radiograph in orthostatic position. Question:Given the clinical history and the patient's images, what is the most likely diagnosis? Intestinal intussusception Intestinal volvulus Peritoneal adhesions Inguinal hernia Test question Question:(UFF-2014) What signs and symptoms MORE suggest an acute obstructive abdomen? Vomiting, fever, leukocytosis Continuous pain, dizziness and vomiting Abdominal distension, colic pain and a history of abdominal surgery Abdominal distention, fever, continuous pain and vomiting Blumberg positive, hypotension and tachycardia Time is Up! Time's up