Block 51, 52, 53: GI Flashcards
clinical presentation for acute choledocholithiasis
acute-onset right upper quadrant or epigastric pain
- pain worse in supine position and at night
painless jaundice in a patient with conjugated hyperbilirubinemia and marked elevated alkaline phosphatase
biliary obstruction due to pancreatic or biliary cancer
does hepatitis C have elevated alkaline phosphatase
no
does autoimmune hepatitis have elevated alkaline phosphatase
no
define acute liver failure
- elevated aminotransferase
- encephalopathy
- INR greater than 1.5
risk of what cancer is increased with UC
colorectal cancer
complication of UC
- toxic megacolon
- uveitis
- primary sclerosing cholangitis
when should patients with an affected first- degree relative be screened for colon cancer
age 40 or 10 years before the age of the relative’s diagnosis
hallmarks of secretory diarrhea
- larger daily stool volumes
- occurs during fasting or sleep
- reduced stool osmotic gap
what is most consistent reversible risk factor for pancreatic cancer
cigarette smoking
active erosive gastropathy
development of hemorrhagic lesions after ischemia or exposure of gastric mucosa to various injurious agents ( alcohol, aspirin, cocaine)
epigastric pain and intermittent melena
duodenal ulcer
2 main causes of duodenal ulcer
H. pylori infection
NSAID
management for duodenal ulcer
antibiotics and acid suppression
features that distinguish biliary colic from cholecystitis are
pain resolves within 4-6 hours
absence of abdominal tenderness, fever and leukocytosis
where can pain occur for biliary colic secondary to gallstones
- RUQ or epigastric region
- right-sided shoulder pain
- subscapular discomfort
initial evaluation and management of patients with variceal hemorrhage is
mainting circulation
preventing and treating complications
stop cause of bleeding
if a patient has continuous hematemesis and depressed level of consciousness, what is a major risk
aspiration
- endotracheal intubation
burning, localized pain and regional hyperesthesia/allodynia, in the context of recent cancer treatment?
herpes zoster ( shingles)
unexplained chronic abdominal pain, weight loss and food aversion, postprandial epigastric pain
chronic mesenteric ischemia
positive urine bilirubin assay is indicative of
conjugated bilirubin
Rotor’s syndrome
chronic or fluctuating conjugated hyperbilirubinemia due to defect in hepatic secretion of conjugated bilirubin into biliary system
Besides alcohol and gallstones causing acute pancreatitis, what else can cause it
medication
- diuretics
- anti seizure ( valproic acid)
- antibiotics ( metronidazole)
hallmark lab values for ischemic hepatopathy
- rapid and massive increase in transaminases
- modest elevations in total bilirubin and alkaline phosphatase
name 2 granulomatous diseases
tuberculosis and sarcoidosis
barium contrast enema can detect what disease
UC and Crohn
can diverticulitis cause urine problems
yes frequency and urgency
- bladder irriation from inflamed sigmoid colon
chronic dysphagia to both solids and liquids, regurgitation, difficulty belching and mild weight loss
achalasia
esophageal webs are associated with what vitamin deficiency
iron
what is used to diagnose achalasia
manometry
prophylactic treatment for nonbleeding varices
beta blockers
- if contraindicated do endoscopic variceal ligation
acronym for causes of acute pancreatitis
I GET SMASHED
- idiopathic
- gallstones
- ethanol
- trauma
- steroids
- mumps
- autoimmune
- scorpion sting
- hypercalcemia
- ERCP
- drugs
specific serum test for pancreatitis
serum lipase
what signs do you see on acute pancreatitis for PE
Grey turner sign: flank ecchymoses
Cullen sign: periumbilical ecchymoses
Fox sign: ecchymosis of inguinal ligament
yellow-red papules on patient’s arm can suggest what
xanthomas.
3rd most common cause of acute pancreatitis
hypertriglycerides
noncaseating granulomas suggests
Crohn’s
clinical feature of diverticulosis
chronic constipation
what can a patient do to lower the risk of diverticulosis
- high fiber intake
chronic, crampy abdominal pain; bloating and watery diarrhea after meals has
lactose intolerance
cigarette smoking, high salt intake and consumption of N-nitroso compounds are risk factor for
gastric adenocarcinoma
initial treatment for hepatic encephalopathy and hypokalemia
potassium repletion
fluids
lactulose
total parenteral nutrition can cuase what to the gallbladder
gallbladder stasis –> cholecystitis
UC vs. Crohn transmural inflammation
crohn
perianal manifestation of Crohn’s
skin tags and fistulas
tuberculous enteritis presents similar to what
Crohn’s disease
primary biliary cholangitis
destruction of intrahepatic bile duccts
complications of primary biliary cholangitis
malabsorption
metabolic bone disease
hepatocellular carcinoma
xanthelasmas
what causes bile salt diarrhea
terminal ileal disease
primary sclerosing cholangitis
inflammatory disorder of intrahepatic and extrahepatic biliary tree
patient with abdominal pain, microcytic anemia, positive fecal occult blood, and hepatomegaly with a hard edge on liver palpation
GI malignancy mets to liver
signs of portal hypertension
esophageal varices
spider nevi
Palmar erythema
caput medusa
next step in management for post cholecystectomy
ERCP
Endoscopic retrograde cholangiopancreatography
what can ursodeoxycholic acid treat
- cholesterol gallstones
- primary biliary chirrhosis
- primary sclerosing cholangitis
what are 2 signs of acute liver failure
encephalopathy
impaired synthetic function ( INR greater than 1.5)
what clinical feature differentiates between acute liver failure and viral hepatitis
acute liver failure has hepatic encephalopathy
what can cause red blood on toilet paper, few drops of blood in toilet after defecation,
hemorrhoids
management for patient 50 and older with bright red blood per rectum
colonoscopy
Management for patient less than 40 for bright red blood per rect
anoscopy
Do you treat asymptomatic gallstones
no
wha lab values are increased with patients who have upper GI bleed
BUN/Creatinine ratio
patients with multiple duodenal ulcers refractory to treatment or ulcers distal to the duodenum or associated with chronic diarrhea
Zollinger-Ellison
Zollinger-Ellison and pancreas
inactivation of pancreatic enzymes by increased stomach acid production
stethoscope over upper abdomen and rocking patient back and forth at hips looks for what
called abdominal succussion splash
gastric outlet obstruction
Irritable bowel syndrome
chronic abdominal pain with diarrhea and/or constipation
- passage of stool relieves pain
crypt abscess is characteristic of what
Ulcerative colitis
perianal fistulas are related to what
possible Crohn’s disease
porcelain gallbladder increases the risk for
gallbladder adenocarcinoma
- associated with chronic cholecystitis
risk factors for renal cell carcinoma
smoking
hypertension
obesity
what sets pesudoachalsia different from achalasia
pseduo: significant weight loss
- rapid symptom onset
- greater than 60 years
bactericidial antibiotic reserved for recurrent colitis or as initial therapy for pts with severe colitis who cannot take oral vancymycin
Fidaxomicin
Most common source of liver metastases
Colorectal cancer
alpha-fetoprotein measures what
hepatocellular carcinoma which occurs in setting of chronic liver disease
skin hardening and telangiectasis may indicated
sclerosis
what criteria is used for irritable bowel syndrome
Rome criteria
- recurrent abdominal pain/discomfrot 3 days or more/month for last 3 months and 2 or more of the following
1. improvement with bowel movement
2. change in frequency of stool
3. change in form of stool
clinical features of partial small-bowel obstruction
- postprandial abdominal discomfort
- nausea
- obstipation
Small-intestine bacterial overgrowth clinical features
abdominal bloating
flatulence
diarrhea
clinical features of zinc deficiency
hypogonadism impaired taste impaired wound healing alopecia skin rash with perioral involvement
patients who depend on parenteral nutrition are at risk for what
trace mineral deficiency
clinical features of copper deficiency
fragile hair
skin depigmentation
neurologic dysfunction
siderblastic anemia
clinical features of Selenium deficiency
thyroid dysfunction
cardiomyopathy
clinical features of esophageal rupture
acute chest pain
tachypnea
pleural effusion
- symptoms worse after endoscopy/trauma
next step in management for esophageal rupture
endoscopy