Pathophysiology
®Normal fluid and electrolyte absorption and secretion
®Mechanism of Acute Diarrhoea:
a.Decreased absorption
b.Increased secretion
c.Increased osmolalitiy of luminal contents
d.Change in gut motility
Diarrhea is classified according the cause into:
A- Inflammatory diarrhea:
Often with systemic features including fever, fecal leukocytes with or without gross blood is usually present.
1-Viral:
®Cytomegalovierus infection in immunocompromised patient as AIDS.
2-Protozoal: Entamoeba Histolytica
Diarrhea is classified according the cause into:
A- Inflammatory diarrhea:
Often with systemic features including fever, fecal leukocytes with or without gross blood is usually present.
1-Viral:
®Cytomegalovierus infection in immunocompromised patient as AIDS.
2-Protozoal: Entamoeba Histolytica
Diarrhea is classified according the cause into:
A- Inflammatory diarrhea:
Often with systemic features including fever, fecal leukocytes with or without gross blood is usually present.
1-Viral:
®Cytomegalovierus infection in immunocompromised patient as AIDS.
2-Protozoal: Entamoeba Histolytica
3-Bacterial:
®Cytotoxin production
E.coli O157:H7 (Enterohaemorrhagic E.coli)
Vibroparahaemolyticus
Clostridium difficile