Small Bowel Obstruction (General Surgery EOR - Smarty PANCE) Exam Questions and Answers 100% Correct

Small Bowel Obstruction (General Surgery EOR - Smarty PANCE) Exam Questions and Answers 100% Correct What is small bowel obstruction (SBO)? Mechanical obstruction to the passage of intraluminal contents What are the signs/ symptoms of SBO? Abdominal discomfort, cramping, nausea, abdominal distention, emesis, high-pitched bowel sounds What is the #1 cause of SBO around the world? Hernias What is the #1 cause of SBO in children? Hernias What is the #1 cause of SBO in adults (industrialized nations)? Postoperative adhesions What lab tests are performed with SBO? Electrolytes, CBC, type and screen, urinalysis What are classic electrolyte/ acid-base findings with proximal obstruction? Hypovolemic, hypochloremic, hypokalemia, alkalosis What must be ruled out on physical exam in patients with SBO? Incarcerated hernia (also look for surgical scars) What major AXR findings are associated with SBO? Distended loops of small bowel air-fluid levels on upright film Define complete SBO Complete obstruction of the lumen; usually paucity or no colon gas What is the danger of complete SBO? Closed loop strangulation of the bowel leading to bo