Constipation Flashcards
Functional constipation criteria
at least 2 of the following for 3 months
Straining
lumpy hard stools
sensation of incomplete evacuation
Use of digital maneuvers
Sensation of anorectal obstruction or blockage with 25 percent of bowel movements
< 3 BMs/wk
Things that may cause primary constipation?
Slow conolic transit time
Structural Defectory disorders
IBS
Fecal impaction
Causes of 2ndary constipation?
“OLD MEN”
Organic - tumors, ishcemic change, stneosis
Lifestyle
Drugs/Diet
Myogenic - DM (Neuropathy)
Endocrine - Parkinsons
Who is at higher risk for constipation?
Older adult
F
Sedentary lifestyle
Low education/income
Concurrent Med use
Depression
refer to the ______ rule when determining if the colon is too wide and indicative of an impaction
3-6-9 Rule
Large bowel >6cm diameter = Impaction
What are stool softeners (Colace)?
Docusate sodium
MOA: Decr surface tension to make stool more porus
What are bulk forming laxatives?
Psyllium
MOA: polysacch or cellulose derivates sit in the GI tract and absorb water like a sponge -> increases fecal mass
Note: you must drink a shit ton of water with these and take them 4hrs apart from other meds, bc they will decr their absorption
What is Bisacodyl?
Stimulant laxative
How does fiber help you shit?
increases stool bulk -> colonic distension promotes stool propulsion
Pt is not responding to bulk forming laxatives (Psyllium). Alternative opt?
Take an osmotic agent (Polythylene Glycol)
MOA: pulls water into the bowel
- incr bowel distension -> propulsion
- extra water softens stool
When to consider an enema?
if older pt has constipation for many days and are at risk for impaction
Do babies tend to shit more or less as they get older?
LESS
Babies usually have their 1st BM within ___hrs
36
A new breastfeeding mom is concerned bc her baby is only shitting once a day. She says the mother next her said her formula fed baby is shitting 4 times a day. What do you tell her?
It is normal for breastfed babies to initially shit less than formula fed ones because breastfeeding moms gradually increase the amnt of milk they produce. She should expect her baby to gradually increase in amt of shits per day
Baby that has a delayed 1st meconium BM is concerning for what?
Hirschprung’s Dz