GI - 6 Diarrhea pt 2 Flashcards
Empiric treatment is not meant for
Acute diarrhea. it resolves on its own w/o anything
The drugs of choice for empiric treatment of diarrhea:
Fluoroquinolones
Try not to treat with antibiotics unless they are already sick, because it can lead to ___
C. diff
Drug to treat diarrhea from Shigella, Salmonella, Traver’s diarrhea (E. coli)
Fluoroquinoline
2 drugs for Cholera
Doxycycline or Azithromycin
Drug for diarrhea from C difficile infection, giardiasis, and amebiasis
Metronidazole
What is chronic diarrhea?
Decrease in fecal consistency lasting ≥4 wks
How do you estimate stool osmolality?
stool (Na+ + K+) × 2
Osmolar gap > __ is indicative of osmotic diarrhea
125 mOsm/kg
______ implies diarrhea is caused by ingestion or malabsorption of an osmotically active substance
An increased osmotic gap (>125)
What diarrhea RESOLVES during fasting?
Osmotic diarrhea
if you’re not eating, none of these are drawing water into the bowel – no more osmotic diarrhea
What diarrhea is CAUSED by fasting?
Secretory diarrhea
Giardia, E. histolytica, and Cyclospora are ____ that can cause diarrhea
Chronic parasitic infections
People are constipated so they take laxatives or eat prunes, then come in with diarrhea.
Factitious Diarrhea
What must be ruled out when evaluating diarrhea?
Acute Diarrhea
What does ESR test do?
learns if there is inflammation (doesn’t say why/how)
What does Total protein & albumin test do?
look for long-term malabsorption, such as celiac disease
Stool pH < 5.6
consistent with:
carbohydrate malabsorption
What screens for Stool magnesium, phosphate, and sulfate ?
Stool laxative screen
High Gastrin relates to:
ZE syndrome
__ only shows distal portion of the colon
Sigmoidoscopy
