ACUTE DIARRHEA

Acute Diarrhea > 2-3 loose stools/day, >175-235 g/day; > 48 hours, >14 days Infectious Ischemic Inflammatory Dietary Diarrhea Predominant Nausea/ Vomiting Predominant Non-Bloody Bloody Bacillus Cereus Staphylococcus Aureus Crohn's ileitis Crohn's Colitis Ulcerative Colitis Crohn's Colitis Watery/Large Volume Viral Bacterial (e.g. C. perfringens, V. cholerae, E. coli, Salmonella, Yersinia, Parasitic (e.g. Giardia) Drugs (Antibiotics, Laxatives, Antacids) Toxins Bloody/Pain/Small Volume/Urgency (Large Bowel) Bacterial (e.g. E. coli, C. difficile, Salmonella, Campylobacter, Shigella) Parasitic (e.g. E. histolytica) C. difficulties under large bowel but presents with non-bloody diarrhea usually. Ischemic colitis is a self-limiting illness in most (due to vascular network from SMA, IMA, iliacs) whereas small bowel ischemia is an abdoment catastrophe (only one supply, SMA)