Clinical-Small Intestine Flashcards
Generally, this is the increase in stool weight or volume.
Diarrhea
What is the condition when water-soluble molecules are poorly absorbed and remain in the bowels?
osmotic diarrhea
Generally, where is the osmotic pressure higher to cause osmotic diarrhea?
in your bowels.
What types of things can cause osmotic diarrhea?
carb malabsorbtion, lactase deficiency, sorbitol-sweetened foods, saltine cathartics and magnesium-based antacids
If the fluid and electrolyte transport is abnormal, and too many electrolytes are secreted, what condition follows?
secretory diarrhea
What can cause secretory diarrhea?
bacterial toxins (cholera), neuroendocrine tumors, surreptitious ingestion of laxitives, bile acid diarrhea, fatty acid diarrhea
Which diarrhea (osmotic or secretory) has daily stool volume > 1 L?
secretory
Which diarrhea (osmotic or secretory) stops after 48 hours of fasting?
osmotic
Which diarrhea (osmotic or secretory) has a higher osmotic pressure?
osmotic
Which diarrhea (osmotic or secretory) has a higher [salt]?
secretory
Which diarrhea (osmotic or secretory) has a higher solute gap?
osmotic
If membrane permability is abnormal and serum, blood, or mucus enters the stools, this type of diarrhea can result.
Exudative diarrhea
What types of things can cause exudative diarrhea?
infalmmation, ulceration or infiltration
What does the volume and presence of blood in excudative diarrhea?
small volume and blood possible
Gastrectomy, intestinal resection, hyperthyroidism, and carcinoid syndrome can do what to absorption? is there a name for this?
decreases the time for chyme to be absorbed. this is rapid intestinal transit time.
So what can cause a DELAYED transit time?
bacterial overgrowth, structural defects, visceral neuropathy (diabetes), myopathy (scleroderma).
If the L-side of the colon is inflammed, what does it do?
become spastic
What are the Sx to a spastic colon?
Tenesmus (feeling u gotta poop all the time but u poop just a little nugget)
What happens if the R-side of the colon is inflammed?
it causes u to poop a big load
True or false: on proctosigmoidoscopic exam, R-sided diarrhea is normal and L-sided shows inflammation.
true
What type of infection is the most common cause of acute diarrhea?
Viral
True or False: to slow the rate of infection acute diarrhea, give an antimotility agent.
FALSE. do not with an infection. it’s self limiting.
How long must u have diarrhea b4 it’s termed chronic diarrhea?
4 weeks
What is the most common cause of chronic diarrhea?
Irritable bowel syndrome.
seriously. my ex gf. it was bad. like dual-wielding febreeze aerosol canisters bad.
