GI: IBS, Diarrhea, Constipation Flashcards
This is a functional bowel d/o w. recurrent abdominal pain and altered bowel habits…
IBS
The below should indicate what in an IBS patient?
i. Onset after 50 yo
ii. Severe/worsening
iii. Nocturnal
iv. Fever/vomiting
v. Wt. loss
vi. Melena. Hematochezia, (+) hemoccult
vii. Hx of Colon CA, IBD, Celiac
viii. Unexplained IDA
emergent eval
A patient presents with dyspepsia, atypical CP, vomiting, altered bowel habits and recurrent abd. pain. What should you suspect?
IBS
The below conditions commonly accompany what condition?
FM
interstitial cystitis
dyspareunia
dyspepsia
IBS
Is physical exam in IBS typically normal or abnormal?
normal +/- abd. TTP
Rome IV criteria suggests IBS if…
recurrent abd. pain q once weekly x 3 mo and 2 of what 3 additional sxs?
related to defecation
change in BM frequency
Change in BM appearance
What Bristol Scale Type?
separate, hard lumps
type I
What Bristol Scale Type?
lumpy but sausage shaped
type 2
What Bristol Scale Type?
cracked, sausage shaped
type 3
What Bristol Scale Type?
sausage shaped, smooth, soft
Type 4
What Bristol Scale Type?
soft blobs w/ clear edges
type 5
What Bristol Scale Type?
fluffy w. ragged edges, mushy stool
Type 6
What Bristol Scale Type?
entirely liquid
type 7
Which IBS subclass has bristol type 1 and type 2?
IBS-C
Which IBS subclass has bristol type 6 and type 7?
diarrhea
Which IBS subclass has bristol type 1 and type 6?
Mixed
Unclassified IBS has what bristol type?
none
If typical IBS hx and no alarm features, how is IBS diagnosed?
clinical +/- labs, h. pylori tests, stool studies
No imaging
What labs can be included in IBS diagnosis?
CBC CMP TSH ESR/CRP Celiac Serology H. pylori Stool studies
Atypical IBS sxs + alarm features or refractory cases require what workup? (labs + imaging?)
CBC CMP TSH ESR/CRP Celiac Serology H. pylori Stool studies
Cross sectional/small bowel imaging
Endoscopy/colonoscopy w. Bx
What is first line to treat IBS?
reconcile offending meds, lifestyle changes, Low FODMAP
Low FODMAP occurs by eliminating foods over what time frame?
4-8 weeks
What IBS drugs are available for abd. pain?
antispasmotics (amines, peppermint oil)
antidepressants (TCA, SSRI)
The below drugs are available for which IBS type?
prosecretory agents (lubiprostone, linaclotide, plecanatide)
5-HT4 Agonist (tegaserod)
constipation
The below drugs help treat…
lubiprostone, linaclotide, plecanatide
5-HT4 Agonist (tegaserod)
constipation
The below drugs help treat what IBS related condition?
- OTC: loperamide
- Bile acid sequestrants (off-label)
- Rifaximin
- Eluxadoline
- 5-HT3 Antagonist: alosetrone
Diarrhea
What type of constipation?
Constipation, no pain
ii.
Functional Chronic idiopathic constipation
What type of constipation?
constipation + pain
Functional Constipation IBS-C
The below drugs are common causes of…
anticholinergics, antipsychotics Iron antacids (Ca, Al) CCBs TCAs
med induced constipation
The below are what cause of constipation?
Pelvic floor dysfunction rectal prolapse rectocele colon CA polyps stricture impaction
Defecation/Obstructive constipation
The below are what cause of constipation?
hyperCa hyperPTH hyperthyroid DM pregnancy Hirschsprung MS Parkinson spinal cord injury
Metabolic/systemic disease constipation
What are three GI signs/sxs that accompany a complaint of constipation?
pain/bloating
bleed
tenesmus
Constipation can be diagnosed if the below are present for what percentage of defecations a week?
i. < 3 BMs/week
ii. Lumpy/hard
iii. Straining
iv. Manual maneuvers
v. Sensation of obstruction/blockage
vi. Incomplete evacuation
25%
What part of physical exam for consipation assess for…
eval for fissures, hemorrhoids, tenderness, masses, stool, anal stricture, anal sphincter tone, perineal descent, dyssynergic defecation
DRE