GI Flashcards
Achalasia
dx? sx? tx?
inability of the LES to relax due to loss of nerve plexus
sx: young nonsmoker who has dysphagia to both solids and liquids
dx: barium swallow or esophageal manometry
tx: pneumatic dilation, heller myotomy, botulinum toxin injection
young nonsmoking male who just got back from a mission trip to south american. presents with dysphagia to both solids and liquids. dx?
chagas disease! causing achalasia
Esophageal cancer
sx? pt population? dx?
sx: dysphagia to solids first then liquids
pt: >50 yoa smokers or drinkers
dx: endoscopy
tx of esophageal cancer
resection + 5FU
Plummer-Vinson Syndrome
sx? tx?
PROXIMAL stricture in esophagus due to iron deficiency anemia.
tx: iron replacemnt
F>M, increased risk of cancer
Schatzki’s Ring(peptic stricture)
sx? tx?
repeat acid reflux causes stricture = DISTAL
- steak-house syndrome
tx: pneumatic dilation
Zenker Diverticulum
sx? dx? tx?
true diverticulum, dysphagia with horrible bad breath + regurge of undigested food.
dx: barium study showing outpouching
tx: surgical resection
Spastic Esophagus aka nutcracker esophagus
sx? dx?
severe chest pain often occuring without risk factors for heart disease, comes and goes, triggered by drinking cold beverages
dx: manometry
Spastic Esophagus aka nutcracker esophagus
tx?
CCB + nitrates
Odynophagia in HIV negative person. whatcha gonna do?
endoscopy
Odynophagia in HIV + person. whatcha gonna do?
fluconazole, if no response then esophagitis
mallory weiss tear dx and tx?
dx: endoscopy
tx: self resolving or epinephrine
1st line tx for GERD
PPI(omeprazole, lansoprazol)
what type of cancer can barretts esophagus lead to?
adenocarcinoma
tx for barretts esophagus
PPI & repeat endo every 2-3 years
tx of low grade esophageal dysplasia
PPI & repeat endo in 3-6 months
Duodenal Ulcer pain gets —– with food.
better
Peptic Ulcer pain gets —– with food.
worse
Pt age>— and has epigastric pain must be scoped.
45
tx of Hpylori. what if resistance?
tx: PPI + Clarithromycin + Amoxicillin
resistant: Metronidazole & tetracyclin + PPI
52 year old man with epigastric discomfort. +Hpylori, upper endoscopy shows no gastritis, no ulcer disease, bx shows Hpylori. tx?
PPI alone! no ulcer = no need to tx Hpylori.
Zollinger-Ellison Syndrome(ZES)/Gastrinoma
sx?
Diarrhea(acid inactivates lipase), Ab pain, Anemia, Heme + stools,elevated gastrin, elevated gastric acid, large ulcer, multiple ulcers, ulcers distal to ligament of treitz, recurrent dispite Hpylori tx
Zollinger-Ellison Syndrome(ZES)/Gastrinoma
dx?
- U/S
- Nuclear Somatostatin Scan = pt with ZES have increased number of somatostatin receptors
- Secretin supression = should decrease gastrin, if not = ZES
Zollinger-Ellison Syndrome(ZES)/Gastrinoma
tx?
resection + PPI
what should u be thinking if you see Zollinger-Ellison Syndrome(ZES)/Gastrinoma + hypercalcemia?
MEN2!
2b: Pheo, Medullary thryoid, mucosal tumors
tx of diabetic gastroparesis
erythromycin
diabetic with NV, bloating, constipation, early satiety, succusion splash. dx?
diabetic gastroparesis
screening colonoscopy with IBD
start 8-10 years after dx and repeat every 1-2 years
UC vs CD
which is more often bloody?
UC
Extraintestinal manifestations of IBD?
joint pain, eye shit, erythema nodosum, pyoderma gangrenosum, sclerosing cholangitis
Tx of IBD
Mesalamine > sulfasalazine, steroids
severe: azathioprine & 6MP, Infliximab
tx of severe IBD
severe: azathioprine & 6MP, Infliximab
tx of C.diff
metronidazole
when do you give somthign else for C.diff? what do you give?
once metro has failed x2 then give oral vancomycin
lactose Intolerance
sx? dx? tx?
episodic diarrhea, flatulence
dx: stool-osmolality test
tx: remove milk shit from diet
Carcinoid Syndrome
sx? dx? tx?
flushing, episodes of hypotension, wheezing, diarrhea, CV murmer(tricuspid valve)
dx: urinary 5-HIAA level
tx: octreotide
what murmer is associated with carcinoid syndrome?
tricuspid valve
4 common shits that cause malabsorption
celiac dz, tropical sprue, chronic pancreatitis, whipple dz
Celiac Disease
cause? sx?
anti-gliadin, anti-endomysial & anti-transflutaminase ab cause flattening of villi
sx: weight loss, fat malabsorption, iron malabsorption, microcytic anemia, folate malabsorption, dermatitis herpetiformis
which malabsorption dz is associated with Dermatitis Herpetiformis?
celiac disease
Tropical Sprue
sx? tx?
just like celiacs! but with hx of the tropics
tx: doxy or TMP/SMX
Whipple Disease
sx? tx? dx?
arthralgias, neurological abnormalities(dementia & seizures), ocular findings
dx: PAS + organisms
tx: tetracycline, TMP/SMX
tx of whipples
tetracycline, TMP/SMX
IBS
sx?
abnormal pain relieved by bowel movements, abdominal pain that is less at night, abdominal pain w/diarrhea or constipation alternating
IBS
tx?
fiber, dicyclomine or hyoscyamine(antispasmodic/anticholinergic)
Colon cancer screening general population
colonoscopy starting at 50q10
colon cancer screening when family hx
start 10 years before family member dx
colon cancer screening in lynch syndrome?
starting at age 25q1/2
Hereditary nonpolyposis colon cancer syndrome(Lynch Syndrome)
CEO:
Colon = 3 family members, 2 generations, 1 premature(<50)
E = endometrial cancer
O = Ovarian cancer
Screening for FAP?
start at age 12
Gardner’s Syndrome
GI & jaw tumors(osteomas)
Peutz-Jeghers Syndrome
melanotic spots on lips, hamartomatous polyps
Turcot Syndrome
colon, brain tumors + seizures
screening if dysplastic colonic polyp found?
repeat 3-5 years after
screening if previous colon cancer?
colonoscopy 1y s/p resection, 3y then q5 years
tx of diverticulosis
Ciprofloxacin, metronidazole
W/U of GI bleed
- NG tube
- Endoscopy
- Brisk? angiogram; slow?tagged RBC; no bleed?colonoscopy
tx of active variceal bleeding?
octreotide
drug to shrinkk esophageal variceals
propanolol
complication from Transjugular Intrahepatic Portosystemic Shunts(TIPS)
used to tx esophageal varicies
*hepatic encephalopathy
What is dumping syndrome?
rapid release of gastric contents into the duodenum causing osmotic draw into the bowel causing a rapid rise in glucose = shaking, sweating, weakness, hypoglycemia
what lab can tell u how severe pancreatitis is?
calcium! = worsening hypocalcemia = worse shit
tx of pancreatitis with >30% necrosis
imipenem + surgery
SAAG
Serum Albumin - Ascites Albumin Gradient
SAAG > 1.1 = portal HTN or CHF/transudate
SAAG <1.1 = exudative
tx of Spontaneous Bacterial Peritonitis
Cefotaxime or Ceftriaxone
Primary Biliary Cirrhosis
sx?
PBC is for the bitches = subtle
sx: 40-50yoa, osteoporosis, xanthomas, normal bili, increased ALP, ANTI-MITOCHONDRIAL AB
Primary Biliary Cirrhosis
tx?
Ursodeoxycholic acid
Primary Sclerosis Cholangitis
sx?
PSC is for sons of bitches
sx: itching, elevated bilirubin & ALP, jaundice, ERCP shows beading
Primary Sclerosis Cholangitis
tx?
ursodeoxycholic acid or Cholestyramine
Wilson’s Disease
cause? sx? tx?
AR, decrease in ceruloplasma = decrease Cu excretion
sx: cirrhosis, Choreiform movement, neuropsychiatric abnormalities, parkinsons tremor, kayser fleischer rings
tx: penicillamine or trientine
Hemochromatosis
sx?
HFe gene mutation = excess Fe absorption from duodenum.
sx: >50 yo with elevated AST, ALP, restrictive cardiomyopathy, skin darkening, jonit pain, bronze diabetes, pituitary accumulation(panhypopituitarism), Infertility, Hypatoma, Pseudogout, ED, Amenorrhea, elevated Fe & ferritin but low TIBC
tx of hemochromatosis
phlebotomy or defoxamine
Autoimmune Hepatitis
Autoimmune Hepatitis – often associated with other AI disease
- SX:
o elevated AST & ALT (~40s) & elevated alkaline phosphatase(ALP)(~1000s)
o Elevated bilirubin
o Extreme fatigue
- DX: bx
- TX: steroids +/- Azathioprine
- Associated with: Celiac disease, thyroiditis, vasculitits
- EX:
o 42 yo AA female with SLE, extreme fatigue, lupus is stable on hydroxychloroquine, scleral icterus, hepatosplenomegaly, urine bilirubin +, AST 48, ALT 40, ALP 1000, bili 5. Dx?