الفهرس 
Review of Literature
PathophysiologyOnly 14 pages are availabe for public view
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Abstract
Acute. gastroenteritis (AGE) is a common clinical
problem in pediatric clinics both in developing and
in developed countries.
In the last decade, a great progress has been
made in our knowledge about the etiology, pathophysiology
and management of this major problem.
Acute gastroenteritis, in the majority of patient2,
is a self limited, .illLness, with complete recovery
with complete recovery with in 3 to7 days c.fter onset, particularly when,
managed with proper rehydration and dietitic regimen.
However, Ln many cases of AGE, diarrhea may persist
more than expected. Persistent diarrhea (PD), following.
AGE, represents a common and complex problem to
the pediatrician, since its causes and pathophysiologic
mechanfsms are various, complicated and interrelated.
In addition, the cause is not clear. in many cases.
The various establised causes of PD include:
disaccharides intolera~ce, fat malabsorption, foodprotein
intolera~ce, bacterial overgrovrth a~d malnutrition.
Usually, however, more than one cause.