CRACKCast E094 - Gastroenteritis

CRACKCast & Physicians as Humans on CanadiEM

This episode covers Chapter 94 of Rosen’s Emergency Medicine 8th edition (look at chapter 84 for the 9th edition). Have you ever seen gastroenteritis? If you haven't, its probably because you aren't in emergency medicine yet... but once you are... you will. Listen to this post to get ready for the brown winter.

1. Describe a general approach or investigation and management for suspected infectious diarrhea in the following groups:
   1. Non-bloody diarrhea
   2. Bloody Diarrhea
2. What are the 4 most common causes of infectious diarrhea? List 4 pathogens that a special test needs to be requested to diagnose in addition to stool C+S, O+P.
3. Describe common infectious patterns and risk factors for each of the following
   1. Campylobacter
   2. Salmonella
   3. Shigella
   4. Yersinia
   5. Vibrio parahaemolyticus
   6. Enterohemorrhagic E. coli
4. List 6 causes of bloody diarrhea and 5 features of illness that suggest invasive E.coli
5. List causes of toxin-induced bacterial enteritis: 4 performed toxins, 4 in-which toxins are produced after colonization. For each, describe typical source and pattern of illness
6. List 5 RFs for C. diff. What are 2 therapy options?
7. List the 2 most common causes of viral gastroenteritis. Differentiate the two based on patient population and course of illness
8. List 4 protozoal causes of gastroenteritis. For each, describe the clinical presentation
9. List 6 causes of diarrhea in AIDS. Describe an appropriate initial work-up. What additional steps may be required?
10. What is food poisoning?
11. Describe an approach to the management of travelers’ diarrhea. What are 5 common causes. Which if the most common?