A new born child has not passed meconium for 48 hours. What is the diagnostic procedure of choice?
Correct Answer: Contrast enema
Description: Failure to pass meconium in the first 2 days of life (48 hours) is typically suggestive of a lower GI tract obstruction such as Hirschsprung's diseases, meconium plug syndrome or anorectal malformation. A contrast enema is the most suitable primary investigation to make the diagnosis, amongst the options provided.
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