diarrhea pathophys Flashcards
1
Q
diarrhea technical def
A
more than 3 BMs/day or more than 200g or increased liquidity
2
Q
acute vs chronic
A
less than 2 weeks acute
longer than 4 weeks
3
Q
where are Short chain fatty acids absorbed?
A
colon
4
Q
taking a hx of diarrhea
A
Duration Severity Stool characteristics Fasting, eating, urgency surgery meds diet hx of radiation travel
5
Q
exam of diarrhea
A
assess severity skin thyroid exam right side heart murmur arthritis lymphadenopathy
6
Q
labs for diarrhea
A
stool osmolality
occult blood
fat content
7
Q
Urgency, pain and cramping, mucus, blood, small amount of stool
A
Recto-sigmoid issue
8
Q
large amount of stool, not much urgency, little mucus
A
small bowel and colonic
9
Q
causes of acute diarrhea
A
drugs: Abx (C. Diff) bacterial infection viral protozoa parasitic
10
Q
Acute Watery diarrhea aka
A
Enterotoxigenic E coli
aka: traveler’s diarrhea
11
Q
Bloody diarrhea
A
Enteropathogenic E Coli
Enterohemorrhagic E Coli
12
Q
Osmotic Diarrhea stops with…..
A
fasting, osmolar gap high
13
Q
stool osmotic gap equation
A
290-2(Na+K)
14
Q
normal stool osmotic gap is 50-100.
<50 implies
A
secretory diarrhea from
15
Q
> 100 implies
A
osmotic diarrhea
