I find it useful to explore gastroenteritis - instead of So first of all, we are going to look at watery diarea and with watery diarrhea the site of predominant involvement is the small bowel. These are the causative agents, just as an overview, and we ll go through each of these individually. But enterotoxicogenic E. coli and vibrio cholera, and viruses such as Rotavirus, Norwalk agent, certain strains of adenovirus, astrovirus, and Now the features of watery diarrhea are obviously the symptom of watery diarrhea and this is usually accompanied by either a low grade fever or no fever at all, and vomiting is a prominent manifestation in the presentation of watery diarrhea. The causative agents of dysentery are shown here. Now the features of dysentery include, obviously, dysentery which is the stool containing mucus, blood and tenesmus.
Fever is usual.
Okay, now we are going to go through the specific causative agents and the first thing we are going to look at is the causative agents of watery diarrhea. The significance of enterotoxicogenic E. coli is that this is the most common cause of travelers diarrhea. Vibrio cholera is not acquired in this country. Almost all cases that are seen in this country are imported. It s acquired in endemic areas in Norwalk agent is another viral cause of watery diarrhea.