A 7-month-old girl has had six hours of episodes in which she suddenly screams, draws her knees up and stiffen…

Question

A 7-month-old girl has had six hours of episodes in which she suddenly screams, draws her knees up and stiffens for a minute or two, then lies pale and floppy until the next episode. She has vomited twice; the vomit is milky. She has passed one small stool containing mucus and dark blood. She is afebrile. The abdomen is soft with a vague fullness in the right upper quadrant, and there is no organomegaly and no hernia. Which one of the following investigations is most likely to establish the diag…

Accepted Answer

Abdominal ultrasound

Answer

Rectal suction biopsy

Answer

Stool culture

Answer

Upper gastrointestinal contrast study

Answer

Urine microscopy and culture

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