Investigations
Learning bite
In the majority of cases the history and examination should give you enough information to make a diagnosis.
A study2 printed in the October edition of the Archive of Diseases in Childhood (mentioned already under the Context heading), found that over a 2-year period, of 80 children who presented to a tertiary UK hospital with LGIB, 76% of them were diagnosed with constipation or gastroenteritis, and only 5% of them required urgent investigation.