Knowmedge - GI Flashcards
If a patient with inflammatory bowel disease is found to have dysplasia on colonoscopy, what is the best next step in management?
Proctocolectomy
Which extra-intestinal manifestions can mirror inflammatory bowel disease?
Arthritis and Erythema Nodosum
What 2 steps should be performed after patients undergo cholecystectomy and still complain of right upper quadrant pain?
Liver function tests and a Right upper quadrant (RUQ) ultrasound
What is the pattern of dysphagia with mechanical causes?
Solids initially and can progress to liquids later
What is the most common cause of death in patients with hemochromatosis?
Liver cirrhosis
OCPs are associated with which hepatic pathology?
Hepatic adenoma
What should be checked in individuals with refractory hypothyroidism, despite being compliant on medication?
Celiac panel
What are treatment options for achalasia?
Pneumatic dilatation or Surgical myotomy or Botulinum toxin
Patients with hepatitis C who have undergone a liver transplant and have never been treated for HCV are at an increased risk of what diagnosis immediately after surgery?
Recurrent HCV infection immediately after surgery
Cigarette smoking is associated with which type of esophageal cancer?
Squamous cell carcinoma of the esophagus
What are the red flag symptoms that should be ruled out before a diagnosis of irritable bowel syndrome is made?
Unintentional weight loss, fevers, nocturnal symptoms, and blood in the stool
HbSAg is positive. Which hepatitis B marker will indicate chronicity or carrier state of infection?
HB core IgG being positive
What are 5 major causes of elevated Transferrin saturation?
Hemochromatosis, Excessive alcohol use, Fatty liver disease, Neoplasm, Hepatitis C infection
How long does 6-mercaptopurine usually take to exert an effect?
In benign postoperative cholestasis, is direct bilirubin elevation greater or indirect bilirubin elevation?
Direct biliru
Three months
bin elevation
What is the next step for patients presenting with uncontrolled reflux symptoms (despite medical therapy) and progressive dysphagia?
What is the next step for patients presenting with uncontrolled reflux symptoms (despite medical therapy) and progressive dysphagia?
What is the class of anti-hypertensive medications used to treat Raynaud’s phenomenom?
Calcium channel blockers
What is the oral antihypertensive of choice in patients presenting with hypertension & Raynaud’s syndrome?
Calcium channel blockers
What is the gold standard for diagnosing small intestinal bacterial overgrowth?
Endoscopy with jejunal aspirate
If the transaminase level is greater than what number is a non-alcohol process at play?
AST > 500 U/L
What are the most and 2nd most common tumors of the liver?
Hepatic hemangioma is the most common tumor of the liver. Focal nodular hyperplasia is the second most common tumor of the liver.
What anti-hypertensive treatment can be used in the treatment of diffuse esophageal spasm (DES)?
Calcium channel blockers
Which is NOT an indication for repeat colonoscopy in 3 years: 2 Adenomas, Polyp size >1cm, High grade dysplasia, or Villous component?
Which is NOT an indication for repeat colonoscopy in 3 years: 2 Adenomas, Polyp size >1cm, High grade dysplasia, or Villous component?
What prophylactic antibiotic is recommended for infective endocarditis patients undergoing GI or GU procedures?
No prophylactic antibiotic is recommended for patients undergoing GI or GU procedures
What test can be performed to confirm eradication of Helicobacter pylori?
Stool antigen or Urea breath test (not H. pylori serology)
What is the most common cause of fulminant hepatic failure in US?
Acetaminophen toxicity
Which cancer are patients with primary sclerosing cholangitis (PSC) at greater risk of developing?
Cholangiocarcinoma
How long does 6-mercaptopurine usually take to exert an effect?
Three months
If symptoms persist after 6 weeks of proton pump inhibitor therapy in a patient suspected of having GERD but without alarm symptoms, what is the appropriate next step?
If symptoms persist after 6 weeks of proton pump inhibitor therapy in a patient suspected of having GERD but without alarm symptoms, what is the appropriate next step?
At what portal vein pressure does clinically significant portal hypertension occur?
HVPG is ≥10
What broad spectrum antibiotic can cause discoloration of teeth in children?
Doxycycline
Cryoglobulinemia can be associated with what hepatitis infection?
Hepatitis C infection
Patient is found to have positive antibodies to soluble liver antigen (SLA). What condition does this patient likely have?
Autoimmune hepatitis (which also has anti-smooth muscle antibodies)
How can chronic pancreatitis lead to gastric varices?
Chronic pancreatitis can lead to inflammation of the nearby splenic vein leading to thrombosis, which subsequently causes portal hypertension and gastric varices.
Is H. pylori infection more often associated with gastric or duodenal ulcers?
Duodenal ulcers
Patient has hepatitis C and is being treated with IFN therapy. LFTs are re-checked and are worsening. What undiagnosed condition does the patient also likely have?
Autoimmune hepatitis
What medication is best used to manage pain associated with chronic pancreatitis?
Pain medication begins with nonopioids (like acetaminophen, ibuprofen, or both).
If nonopioids do not relieve pain, mild opioids (like codeine) are given.
If mild opioids do not relieve pain, strong opioids (like morphine) are given.
- See more at: http://www.pancreasfoundation.org/patient-information/chronic-pancreatitis/chronic-pancreatitis-pain-management-and-treatment/#sthash.PsyxYJcP.dpuf
What part of the stomach is usally excluded in Type A chronic gastritis?
Antrum of stomach
Type A gastritis primarily affects the body/fundus of the stomach, and is more common with pernicious anemia.
Type B gastritis (most common overall) primarily affects the antrum, and is more common with H. pylori infection.
Along with percutaneous drainage as a treatment for infected pancreatic necrosis, which antibiotic is most commonly recommended?
Imipenem or other carbapenem
What complication of pancreatitis is related to the interference of ductal function and is asymptomatic in the majority of patients?
Pseudocysts
The hepatitis A vaccine is an inactivated virus that is given in two doses usually separated by ___ months.
Post bariatric surgery, which of the following likely indicates an anastomotic leak: Fever, Leukocytosis, Heart rate greater than 120/min or Abdominal tenderness?
HR greater than 120/minute
What is the preferred treatment for Giardiasis?
Metronidazole orally three times daily for 5-7 days
What is the most common cause of drug induced liver failure in US?
What is the most common cause of drug induced liver failure in US?
Acetatinophen
Which antibody test is often associated with Primary Biliary Cirrhosis?
AMA (Anti-Mitochondrial Antibody)
What gene mutation is associated in patients who have Familial Adenomatous Polyposis (FAP)?
APC germline mutation
The transferrin saturation is a sensitive test for hemochromatosis in the setting of elevated transaminase levels. Transferrin saturation greater than ____% is suggestive of hemochromatosis.
The transferrin saturation is a sensitive test for hemochromatosis in the setting of elevated transaminase levels. Transferrin saturation greater than 45% is suggestive of hemochromatosis.
What is the most common composition of salivary gland stones?
Calcium phosphate
How much reduction of hepatitis C viral load should be seen at 12 weeks to continue treatment?
2 log reduction. If this occurs, chances of sustained viral response is high. If not, chances of sustained viral response is low.
True or False: Leukocytosis is commonly seen with diverticulitis
True; On laboratory studies, more than half of patients with diverticulitis have leukocytosis.
If metastasis is ruled out in a patient with esophageal cancer, what is the next step?
Endoscopic ultrasound to assess for local spread
When should a screening coloscopy be repeated in a patient with a polyp having a tubular component on biopsy?
5 years
What pill characteristics are at increased risk of causing pill-induced esophagitis?
Larger, round-shaped, and extended-release formulations
What tests may be performed if ultrasound is normal but there is high suspicion that a patient has choledocholithiasis?
MRCP, ERCP, or Endoscopic ultrasound
Name three reasons to start antibiotic prophylaxis in cirrhotic patients.
History of Spontaneous Bacterial Peritonitis, Esophageal varices, and Ascites protein level less than 1 gram/dl
Thumbprinting is characteristically seen on a kidney-ureter-bladder xray in what condition?
Ischemic colitis
Pancreatic necrosis should be considered in patients with pancreatitis not improving within what timeframe?
Five or more days
What is the most common location of colonic diverticula ?
Sigmoid colon
Skip lesions are seen in which form of inflammatory bowel disease?
Crohn’s disease
Young patients who have intermittent dysphagia to solid foods such as bread or meats are likely to have what condition?
Schatzki or lower esophageal ring
How is Mallory-Weiss tear managed?
How do you differentiate chronic hepatitis B infection from the carrier state?
What are the top two causes of pancreatitis in the United States?
1 Alcoholism #2 Gallstones
Patient less than 40 is found to have numerous fundus gastric polyps. What syndrome needs to be ruled out in this patient?
Familial Adenomatous Polyposis Syndrome
What are common signs and symptoms seen in esophageal cancer?
Signs and symptoms of esophageal cancer include dysphagia (difficulty swallowing), odynophagia (painful swallowing), weight loss, cough or hoarseness.
Patient is found to have a 8mm villous adenoma in the transverse colon. When should a colonosopy be repeated?
3 years from now. Any polyp that is 1cm or greater or is a villous adenoma should have a repeat colonosopy in 3 years
Patient has a condition in which the lower esophageal sphincter (LES) fails to relax. What is the likely condition and the initial diagnostic test to perform?
Condition is achalasia and the initial diagnostic test is a barium swallow, which will show “bird beak” sign.
Where is hepatitis E endemic?
Mexico, the Indian subcontinent and Southeast Asia
Treatment of MALT requires eradication of what organism?
Heliobacter Pylori (H. pylori)
What is the treatment for MILD factor VIII deficiency?
Desmopressin
Achalasia can be associated with what disease?
Chagas Disease
What is the most common clinical presentation of autoimmune pancreatitis?
Painless, obstructive jaundice is the most common clinical presentation of autoimmune pancreatitis.
A young patient has chronic, unresponsive iron deficiency anemia and bulky, foul smelling stools. What is the likely diagnosis?
Celiac Disease or Hookwork Infection
What does the PMN or WBC count in the ascites fluid need to be in order to diagnose SBP?
What is the weak point from where protrusion of mucosa takes place in diverticulosis?
Of the three major forms of hepatitis, which does not currently have a vaccine against it?
In alcoholic hepatitis, which is greater: AST or ALT and by what ratio?
AST in a 2:1 ratio or greater
Patient with chronic diarrhea that does not improve with fasting is found to have a high stool osmolar gap. What is the likely diagnosis?
Laxative abuse
Rectal bleeding is a common symptom in (Diverticulitis or Diverticulosis?)
What is the most likely diagnosis in diabetic patient with diarrhea, weight loss, flatulence and vitamin A, D, B12 deficiencies?
Small intestinal bacterial overgrowth
What is the prefered treatment for microscopic colitis?
What demographic is most commonly affected by primary biliary cirrhosis (PBC): young males, young females, middle-aged males, middle-aged females, elderly males, elderly females?
Middle-aged females
Decreased or absent glucoronyl transferase level in the liver–often resulting from infection, trauma, stress, starvation, or surgical procedures–indicates what condition?
Gilbert syndrome
If a small bowel biopsy cannot be performed, what is another way to diagnose Whipple’s disease?
CSF fluid analysis with PCR
How are the vitamin B12, vitamin D, and folate levels affected in bacterial overgrowth syndrome?
Vitamin B12 low, Vitamin D low, Folate high (due to production by bacteria)
What type of a diet is recommended for patients with chronic pancreatitis?
Patient is HCV RNA+, Upcoming travel to endemic area, Patient with chronic liver disease, Male patients who have sex with men, Users of illicit drugs, Patients with blood clotting disorders
What medication that can worsen depression is also contraindicated in autoimmune hepatitis?
Approximately what percentage of patients with gallstones will develop cholangiocarcinoma?
1-3%
Bluish discoloration around the umbilicus in pancreatitis patients is known as what sign?
Which hepatitis infection can’t exist on its own and requires active hepatitis B infection?
With what condition are anti-mitochondrial antibodies often associated?
What type of triglycerides may be recommended in the diet for a patient with chronic pancreatitis?
Which type of glomerulonephritis is common in patients with hepatitis B?
Membranous glomerulonephritis
What are the extrahepatic manifestations of hepatitis B infection?
Serum sickness like syndrome, glomerulonephritis, polyarthritis, polyarteritis nodosa, dermatologic manifestations (bullous pemphigoid, lichen planus, Gianotti-Crosti syndrome), cryoglobulinemia, neurological manifestations like Guillian Barre syndrome, psychological conditions like depression & psychosis
Which is LEAST likely a risk factor for adenocarcinoma of the esophagus: Uncontrolled GERD, Smoking, or Obesity?
Smoking. This increases chances of squamous cell carcinoma of the esophagus.
What kind of anemia are patients with celiac disease at an increased risk of developing and why?
What are indications for receiving Hepatitis A vaccine?
Patient is HCV RNA+, Upcoming travel to endemic area, Patient with chronic liver disease, Male patients who have sex with men, Users of illicit drugs, Patients with blood clotting disorders
What is the treatment of choice in patients with hemochromatosis?
Phlebotomy
When should we consider iron chelation therapy for patients with hemochromatosis?
In patients who cannot be managed with phlebotomy, and in anemic patients who have hemochromatosis from overtransfusion (eg. Thalassemia)
Which gender is more at risk of progression of hepatitis C infection to cirrhosis?
Male gender
Which genetic abnormality is associated with Wilson’s disease?
ATP7B
What is the definition of Transferrin saturation?
Ratio of serum iron and total iron binding capacity, multiplied by 100
What is the AST:ALT ratio typically in alcoholic hepatitis?
Greater than 2:1
Prior to performing pneumatic dilatation for achalasia, what needs to be performed?
EGD for biopsy to rule out lymphoma or cancer (Pseudoachalasia)
What on labwork may be an earlier inidcator of Vitamin B12 deficiency than a low B12 level?
Elevated methylmalonic acid and homocysteine levels
What marker is associated with ovarian cancer?
Cancer antigen (CA) 125
What are 5 main scenarios in which a surgery referral should be considered in a patient with diverticulitis?
Recurrent bouts of diverticulitis, CT abdomen reveals obstruction, Abscess formation, Fistula, or Perforation
Which is LEAST likely when a patient has a SAAG of 2.1 g/dL: Liver cirrhosis, Budd-Chiari Syndrome, or Nephrotic syndrome?
Nephrotic syndrome
What does anti-Hepatitis A virus IgG (+) indicate?
What advantage does ERCP have over MRCP in patients with choledocholithiasis?
ERCP allows removal of the stone
Which antiretroviral is associated with nephrolithiasis?
Post-gastrectomy patients experiencing diarrhea, bloating, nausea and tachycardia after eating most likely have what condition?
Dumping syndrome
Which would NOT require a repeat colonoscopy in 3 years: Greater than three adenomas, Villous morphology, or Tubular morphology?
Tubular morphology would not require repeat colonoscopy in 3 years.
Blood transfusion occurring before what year can be a risk factor for hepatitis C?
Blood transfusion prior to 1992
What are some common symptoms seen in diverticulitis?
● Lower left sided abdominal pain (often severe and sudden)
● Fever
● Change in bowel habits
● Constipation
● Diarrhea
● Bloating
What is the best diagnostic modality to order when diverticulitis is suspected?
CT scan of the abdomen with IV contrast
What is the best initial test to diagnose spontaneous bacterial peritonitis?
Ascitic fluid neutrophil count (> 250 neutrophils)
What is the mechanism by which patients with Zollinger-Ellison syndrome develop steatorrhea?
Which agent is not used in the management of Ulcerative Colitis: Mesalamine, Methotrexate, Corticosteroids, or 6-MP?
Methotrexate can be used for Crohn’s Disease but does not work for Ulcerative Colitis
What class of anti-depressant medication used to treat urge incontinencecan also cause constipation?
Tricyclic antidepressants
What are the 4 main conditions that can result from compromised blood flow to the gastrointestinal tract?
Ischemic colitis, Acute mesenteric ischemia, Chronic mesenteric ischemia and Mesenteric vein thrombosis
In patients with short bowel syndrome, what causes greasy and foul-smelling stools?
Bile acid malabsorption
When should colonoscopies be initiated for colorectal cancer screening in patients with ulcerative colitis?
Surveillance begins eight years after diagnosis
Enteral feedng for patients with severe acute pancreatitis consists of a tube that passes what anatomical landmark?
The Ligament of Treitz, avoiding pancreatic stimulation
Which is LEAST likely to be seen in Wilson Disease: Elevated aminotransferases, Decreased ceruloplasmin, Increased alkaline phosphate, or Hemolytic anemia?
Increased alkaline phosphate is least likely to be seen. The alkaline phosphatase level is generally either normal or decreased.
________ years after diagnosis of ulcerative colitis, patients should have a colonoscopy done every ____ to _____ years.
Eight years after diagnosis of disease, it is recommended the patient get a colonoscopy every one to two years
What malignancy are patients with celiac disease at an increased risk of developing?
Lymphoma
What is an effective medication with low side effect profile used against Crohn’s disease?
Mesalamine
What is the likely diagnosis when foamy macrophages on a Periodic acid-Schiff (PAS) stain of small bowel biopsy?
Tropheryma whipplei infection causing Whipple’s disease
Not being vaccinated against which organism is a risk factor for parotitis?
Mumps virus
What is the likely diagnosis in a patient who has long standing history of GERD and dysphagia to solids first and liquids later?
Esophageal stricture
True or False: Patients with hemochromatosis can develop arthropathy involving the 2nd and 3rd DIP joints
False; The arthropathy that you can see in hemochromatosis involves the 2nd and 3rd MCP joints.
Patient found to have 3 adenomas on colonoscopy. When should repeat test be performed?
3 years
Patient has Kayser-Fleischer rings. What would you expect serum copper, ceruloplasmin, and urine copper levels to be? (High, low or unchanged)
KF rings = Wilson’s disease. Low serum copper, Low ceruloplasmin, and High urinary copper.
What condition should be considered if a patient with primary sclerosing cholangitis develops clinical signs of decompensation?
Cholangiocarcinoma
Patient has bloody diarrhea, tenesmus, and abdominal pain. Colonscopy shows superficial ulcerations with crypt abscesses. Likely diagnosis?
Ulcerative colitis
The genetic form of hemochromatosis has an autosomal recessive inhertiance pattern and is due to _____ and ______ mutations in the HFE gene.
The genetic form of hemochromatosis has an autosomal recessive inhertiance pattern and is due to C282Y and H63D mutations in the HFE gene.
What is the most common screening test for Wilson Disease?
Serum ceruloplasmin levels (these levels will be decreased)
Hypertensive patient has esophageal varices. Of the following, which medication can be used: Nadolol, Lisinopril, or Verapamil?
Nadolol
In which gender is eosinophilic esophagitis more common?
Male
What lab test is the hallmark of autoimmune hepatitis?
Anti-smooth muscle antibodies
What does HBsAg(+) indicate and in what 3 states is it positive?
Infection. It will be positive in Acute hepatitis, Chronic hepatitis, Carrier state.
How often should colonoscopies be performed in patients with colorectal cancer?
Every 1-2 years
Which hepatitis is the only one to be DNA-based?
Hepatitis B is a DNA-based virus. Hepatitis A, hepatitis C, hepatitis D, and hepatitis E are all RNA-based viruses.
Which of the following is not a known cause of pancreatitis: Azathioprine, Steroids, Gallstones or TG level of 450mg/dL?
Anti-soluble liver antigen, anti-smooth muscle or anti-LKM can be associated with what condition?
Autoimmune hepatitis
What do you expecte on labs in Wilson’s disease: (High/low) Ceruloplasmin, (High/low) Urine copper?
Low ceruloplasmin, High urine copper
How do you differentiate HDV coinfection & superinfection?
Both conditions will have anti HDV antibodies but in addition coinfection will have anti-HBc IgM antibody while superinfection will have anti-HBc IgG antibody.
What marker is used to check for the recurrence of colon carcinoma?
Carcinoembryonic antigen (CEA)
True or False: Any female with a hepatic adenoma who is pregnant or is seeking pregnancy should have the adenoma resected.
True; Hepatic adenoma can cause intraperitoneal bleeding especially in females seeking pregnancy or who are pregnant.
Which is incorrect for autoimmune hepatitis: Affects younger women, Anti-smooth muscle antibodies can be positive, Can progress to cirrhosis, or Responds well to IFN?
Responds well To IFN
Middle aged female is found to have positive anti-mitochondrial antibodies. What is the best management for this condition at this time?
Ursodeoxycholic acid (Ursodiol)
What 3 main molecules cause the secretion of gastric acid from parietal cells?
Acetylcholine, Gastrin, and Histamine
HbsAg (+), Hbc Ab IgG (+) and HbeAg (+). How can this be interpreted?
Chronic hepatitis B infection in replicative state
What type of diet should be tried in post-gastrectomy patients with diarrhea, bloating, nausea and tachycardia after eating?
Trial of high fat and protein diet (with low carbohydrates) and several small meals, which will delay gastric emptying
Which condition that is a risk factor for parotitis is associated with antibodies to SSA (Ro) and antibodies to SSB (La)?
Sjogren’s syndrome
What is the staging system used to classify perforated diverticulitis?
Hinchey classification system
When should colonoscopy be performed after an episode of diverticulitis?
4 to 6 weeks later
What stain is used to detect fecal fat?
Sudan stain
Definitive diagnosis of a Mallory-Weiss tear is made by __________.
Definitive diagnosis of a Mallory-Weiss tear is made by Esophagogastroduodenoscopy (EGD)
Diet containing what sugar-like compounds can cause diarrhea?
High sorbitol or fructose diet
A clue to upper GI bleed would be an abnormally high BUN:creatinine ratio greater than ___:___.
30:1
Ascitic fluid containing polymorphonuclear leukocytes (PMNs) greater than this number indicates spontaneous bacterial peritonitis (SBP)?
Greater than 250/mm3
What do you expect the urine anion gap to be in cases of diarrhea (positive or negative)?
Negative urine anion gap
Usually the most important unmeasured ion in urine is NH4+ since it is the most important form of acid excretion by the kidney.[4] Urine NH4+ is difficult to measure directly, but its excretion is usually accompanied by the anion chloride. A negative urine anion gap can be used as evidence of increased NH4+ excretion. In a metabolic acidosis without a serum anion gap:
A positive urine anion gap suggests a low urinary NH4+ (e.g. renal tubular acidosis).
A negative urine anion gap suggests a high urinary NH4+ (e.g. diarrhea).
What demographic has an increased risk of developing autoimmune hepatitis: Young females, Young males, Middle-aged males, Middle-aged females, Elderly males, Elderly females?
Young females
What osmotic agents may be used to treat opioid-induced constipation?
Magnesium hydroxide, Lactulose and Polyethylene glycol
What genetic testing is mandatory before starting patient on abacavir?
Before initiating treatment with abacavir, patients should undergo testing for HLA B-5701. If positive, then patients are at increased risk of having life threatening hypersensitivity with abacavir
What should be the rate of caloric intake on first day of the refeeding regimen?
10 kcal/kg/day
What class of antibiotics can cause Achilles tendon rupture?
Fluoroquinolones (e.g. ciprofloxacin or levofloxacin)
What is the name of the congenital anomaly in which the pancreatic duct is not one whole entity but forms the ventral and dorsal duct?
Pancreatic divisum
In cases of refractory GERD despite lifestyle modifications and high dose proton pump inhibitors, what is the next step?
EGD and Helicobacter pylori testing