GI Flashcards
Celiac Disease
- screening test
- definitive test
- IgA Antigliadin ab, IgA Tissue transglutaminase, IgA endomysial ab
- duodenal bx
Fecal impaction
- RF
- age
- opioid use
- dec motility
- hypothyroidism
- diminished sensation
- cog impairment
Fecal impaction
- mgmt
- digital disimpaction
- enema
- PEG
- surgical intervention
Opioid overdose
- mgmt
- airway support
- supplemental O2
- Naloxone (pure opioid antagonist)
What is naltrexone used for?
oral opioid antagonist with a long half-life that is used to treat opioid use disorders and encourage long-term abstinence from opioids (and etoh). It is not used in an acute setting of overdose.
What serologic marker is used for HCC
Alpha fetoprotein
What serologic marker is used for pancreatic cancer
CA 19-9
What serologic marker is used for colorectal carcinoma?
CEA
MCC anorectal fistula
infected anal crypt gland
Zollinger-Ellison Syndrome
- clinical
- abd pain
- chronic diarrhea
- dyspepsia
- weight loss
- GI bleeding
Zollinger-Ellison Syndrome
- describe
- Gastrin secreting tumor = PUD
- Found in duodenum and pancreas
Zollinger-Ellison Syndrome
- definitive diagnostic test
fasting serum gastrin concentration
Zollinger-Ellison Syndrome
- mgmt
- H2RA
- PPI
- Sx
How to diagnose diverticulosis in a setting without suspicion for acute diverticulitis
Colonoscopy - also allows for endoscopic therapy at time of study.
How to diagnose acute diverticulitis
CT - colonoscopy is too risky due to risk of rupture
what is the MCC lower GI bleeding?
diverticulosis
Barrett’s esophagus
- cellular change
Columnar epithelium replaces squamous epithelium that is normally in the lower esophagus, aka specialized intestinal epithelium (metaplasia)
Barrett’s esophagus
- RF
- MC is chronic GERD
- smoking
Barrett’s esophagus
- predisposes pt to waht
adenocarcincoma
Known or suspected ingestion of foreign body in child
- mgmt
- XR neck, chest, abd
- EVEN IF NO SX
C. diff
- MC abx implicated
- Clindamycin
- FQ
- cephalosporins
- penicillins
What is the MC type of esophageal ring?
Schatzki Ring
Schatzki Ring
- location
- patho
- MC distal esophagus
- esophageal acid exposure, hiatal hernia, eosinophilic esophagitis
Schatzki Ring
- clinical
- dysphagia to solids, usu intermittent
Schatzki Ring
- dx
- barium swallow first line
- upper endoscopy
Schatzki Ring
- mgmt
- dilation
- tx underlying condition
