CTAS 3: A 9-month-old has episodic severe crying, pallor and drawing up of the legs. Vitals are HR 146, BP 88/54, afebrile. Between episodes the

Question

CTAS 3: A 9-month-old has episodic severe crying, pallor and drawing up of the legs. Vitals are HR 146, BP 88/54, afebrile. Between episodes the infant is sleepy. Abdomen is soft with a sausage-shaped right upper-quadrant mass; stool is heme-positive. What is the most appropriate investigation?

Accepted Answer

Abdominal ultrasound

Answer

Serum lactate to confirm diagnosis

Answer

CT abdomen with oral contrast as first-line test

Answer

Plain abdominal radiograph as definitive test

Answer

Outpatient stool culture

Intussusception — RCPSC EM MCQ

CTAS 3: A 9-month-old has episodic severe crying, pallor and drawing up of the legs. Vitals are HR 146, BP 88/54, afebrile. Between episodes the infant is sleepy. Abdomen is soft with a sausage-shaped right upper-quadrant mass; stool is heme-positive. What is the most appropriate investigation?