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PANCE review
GI/Nutrition review
327
Other
Graduate
01/14/2013

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Term
what is another name for niacin deficiency? What characterizes it?
Definition
pellagra
the 3 d's: diarrhea, dermatitis, dementia
Term
What would the hydrogen breath test show in a lactose intolerant patient?
Definition
elevated hydrogen- colonic flora digests the unabsorbed lactose.
Term
Describe the probable AST/ALT ratio of a pt with alcoholic liver disease
Definition
>1
Term
What diameter is considered positive for a PPD in a regular healthy patient with no risk factors for TB? a patient that is infected with HIV?
Definition
>15 mm
>5 mm
Term
What dz is described by an olive shaped mass felt in the RUQ at the lateral edge of the rectus abdominis muscle
Definition
Pyloric stenosis
Term
Describe the vomited material in a child with pyloric stenosis
Definition
Non-bilious because the obstruction takes place proximal to the duodenum
Term
What is felt on abdominal exam in a baby with pyloric stenosis?
Definition
-olive shaped mass in the RUQ and lateral to the rectus abdominis
-peristalsis of ten abd may be even just after feeding before vomiting
Term
What may be seen on barium swallow in an infant with pyloric stenosis?
Definition
The string sign
*US is the#1 study though
Term
In an infant with pyloric stenosis what are the common metabolic lab findings?
Definition
Hypochloremic hypokalemic metabolic alkalosis with increased BUN
-repetitive vomiting of purely gastric materials results in loss of HCl and kidneys then start retaining hydrogen in favor of potassium
- BUN increases with dehydration
Term
In an infant with pyloric stenosis who is a poor surgical candidate, what is a non surgical option for tx that has been riven effective?
Definition
Atropine sulfate (the trial used it for 21 days)
Term
What is the clinical lab test of choice to diagnose lactose intolerance?
Definition
Lactose hydrogen breath test
Term
name some sources of vitamin A
Definition
liver, fish oils, fortified milk, orange pigmented veggies, and eggs
Term
name some functions of vitamin A
Definition
vision, epithelial cell maturity, resistance to infection, anti-oxidant
Term
who is at risk for a vitamin A deficiency?
Definition
elderly, alcoholics, liver disease
Term
what are the characteristics of a vitamin A deficiency
Definition
night blindness and dry skin
Term
what are some characteristics of vitamin A toxicity
Definition
skin disorders, hair loss, teratogenicity
Term
what is the best source of vitamin D
Definition
fortified milk
Term
what are the functions of vitamin D
Definition
calcium regulation and cell differentiation
Term
who is at risk of a vitamin D deficiency?
Definition
eldery, shut ins with low amounts of sunlight
Term
what are some characteristics of vitamin D deficiency?
Definition
rickets and osteomalacia
Term
what are some characteristics of vitamin D toxicity
Definition
hypercalcemia, kidney stones, soft tissue deposits
Term
what are some sources of vitamin K
Definition
liver, green leafy vegetables, broccoli, peas, green beans
Term
what is the function of vitamin K
Definition
clotting
Term
what is the manifestation of a vitamin K deficiency
Definition
bleeding
Term
what are the characteristics of vitamin K toxicity
Definition
anemia, jaundice
Term
What are some sources of thiamin
Definition
pork, grains, dried beans, peas, brewer's yeast
Term
what are the functions of thiamin
Definition
carb metabolism and nerve function
Term
who is at risk of a thiamin deficiency
Definition
alcoholics and poverty
Term
what is the name of the disorder associated with thiamin deficiency? what are the manifestations?
Definition
Beriberi (nervous tingling, poor coordination, edema, weakness, cardiac dysfunction)
Term
what are some sources of riboflavin?
Definition
milk, spinach, liver, grains
Term
what is the function of riboflavin?
Definition
energy
Term
what are some manifestations of a riboflavin deficiency?
Definition
oral inflammation (cheilosis and glossitis), eye disorders
Term
What are some sources of niacin?
Definition
bran, tuna, salmon, chicken, beef, liver, peanuts, grains
Term
what are the functions of niacin?
Definition
energy and fat metabolism
Term
who is at risk for a niacin deficiency?
Definition
alcoholics and poverty
Term
what is the name for the disease associated with a niacin deficiency?
Definition
pellagra (dermatitis, diarrhea, dementia, death)
Term
What is a side effect of taking a niacin supplement?
Definition
flushing
Term
what are some sources of vitamin C
Definition
citrus fruits, strawberries, broccoli, greens
Term
what are the functions of vitamin C
Definition
collagen synthesis, hormone function, neurotransmitter synthesis
Term
who is at risk for a vitamin C deficiency?
Definition
alcoholics and elderly men
Term
what is the name of the disease associated with a vitamin C deficiency
Definition
scurvy (poor wound healing, petechia, bleeding gums)
Term
what is a characteristic of vitamin C toxicity
Definition
diarrhea
Term
What is cholecystitis? what are the two types?
Definition
inflammation of the gallbladder often due to obstruction of the cystic duct.
-acalculous (10%) and calculous (90%)
Term
Name some causes of acalculous chilecystitis
Definition
acute illness, fasting, vasculitis, CA, debilitation, major surg, severe trauma, long term TPN
Term
What are the main sx of cholecystitis-- where is the referred pain? is jaundice involved? is anything felt on palpation?
Definition
colicky abd pain that may be epigastric at first and then moves to the RUQ. may be colicky at first and then becomes steady.
-may have referred pain to the R shoulder/scapular region
-jaundice (15%)
-palpable GB or RUQ fullness(30-40%)
-Murphys sign
Term
What is Murphys sign and what disease state is it associated with?
Definition
it is positive when pt experiences pain with deep inspiration or cough during palpation of RUQ
CHOLECYSTITIS
Term
What is the initial imaging of choice to dx cholecystits? what is preferred after that? what are the secondary imaging studies?
Definition
-US, scintigraphy
-MRI CT
Term
What are the results of LFTs and amylase and lipase in dx a cholecystitis patient
Definition
-LFTs are ordered to rule out hepatitis but may be elevated in cholecystitis or CBD obstruction
-Amylase and lipase are ordered to r/o pancreatitis, but amylase may be slightly elevated with acute cholecystitis
Term
What are the most common Risk factors of acute cholecystitis
Definition
-Female, fat, forty, fertile
-drugs (esp hormonal therapy in women)
-pregnancy
-rapid weight loss
Term
what is the most common surgery performed by general surgeons in the US
Definition
cholecystectomy
Term
What are the requirements for a pt to receive outpatient conservative tx for cholecystitis
Definition
-afebrile with stable vital signs
-no evidence of obstruction by lab values
-no evidence of CBD obstruction on US
-no underlying med probs, advanced age, pregnancy, IC
-adequate analgesia
-reliable pt with transportation
-prompt follow up
Term
What is the conservative outpatient tx for uncomplicated cholecystitis
Definition
-ABX: levaquin and flagyl
-antiemetics: phenergan
-Analgesics: oxy/APAP (percocet) OR hydro/APAP (vicodin)
Term
If a cholecystitis pts needs surgery but is not a surgical candidate, what is the next best option>
Definition
US guided percutaneous transhepatic cholecystostomy drainage tube coupled with abx for definitive tx
Term
What is cholangitis?
Definition
an infection ascending in a bile duct that also has an obstruction
Term
what are the two main causes of cholangitis
Definition
biliary tract manipulation and common bile duct stones
Term
What is the usual presentation of a cholangitis patient
Definition
-HX of choledocholithiasis or recent biliary tract manipulation with:
Charcot's triad or Reynolds pentad
-PE shows fever, icterus, jaundice, abd pain
Term
What is charcots triad and reynolds pentad and what disease state are they associated with
Definition
CT: jaundice, fever, and RUQ tenderness
RP: CT + altered mental status and hypotension (indicates sepsis)
Term
What is the main work up for cholangitis
Definition
CBC: leukocytosis
CMP: hyperbilirubinema and increased alkaline phosphatase
blood cultures: positive in 50% of patients
Term
What is the number one radiological study for dx of cholangitis
Definition
abd US
Term
What is the initial tx of cholangitis
Definition
broad spectrum IV abx and electrolyte and fluid replacement
Term
If surgical techniques are necessary for a cholangitis patient, what procedure is often performed over surgery
Definition
endoscopic biliary drainage and decompression
Term
What is a gall bladder disease state that is caused by IBD (generally ulcerative colitis) 80% of the time
Definition
PSC (primary sclerosing cholangitis)
Term
What are two complications of cholangitis
Definition
pyogenic liver abscess and acute renal failure
Term
what does choledocholithiasis mean
Definition
presence of gall stones in the common bile duct
Term
describe chronic cholecysitis
Definition
chronically having gallstones in the GB that cause progressive fibrosis and loss of function of the GB and can predispose to GB cancer
Term
what are the two main substances found in gallstones
Definition
cholesterol and calcium bilirubinate
Term
what is a gallstone dissoluting agent
Definition
ursodeoxycholic acid (ursodiol)
Term
do asymptomatic gallstones require tx?
Definition
not usually, see notes for exceptions
Term
What is the source of alkaline phosphatase site, when do you expect it to be elevated
Definition
Bile duct epithelium, will be elevated in bile duct obstruction
Term
What is entero hepatic circulation
Definition
Circulation of bile acids from the liver to gut back to the liver
Term
What is the source of cck
Definition
Duodenal mucosal cells
Term
At what level of serum total bilirubin does one begin to get jaundiced
Definition
>2.5
Term
Give 6 signs and symptoms of obstructive jaundice
Definition
Jaundice
Dark urine
Clay colored stools (acholic stools)
Pruritius
Loss of appetite
Nausea
Term
What causes itching in obstructive jaundice
Definition
Bile salts in the dermis (not bilirubin!)
Term
What is the initial diagnostic study of choice for evaluation of the biliary tract/gallbladder/cholelithiasis
Definition
Ultrasound
Term
What is the initial study of choice for obstructive jaundice
Definition
Ultrasound
Term
What lab results are associated with obstructive jaundice
Definition
Elevated alkaline phosphatase, elevated bilirubin with or without LFTs
Term
Is hypercholesterolemia a risk for gallstone formation?
Definition
No, but hyperlipemia is
Term
What is boas' sign
Definition
Referred right sub scapular pain of biliary colic
Term
What is the major feared complication of ERCP
Definition
Pancreatitis
Term
What is the major risk factor for sclerosing cholangitis, in particular what type of this disease
Definition
Inflammatory Bowel disease, ulcerative colitis
Term
What is sclerosing cholangitis
Definition
Multiple inflammatory fibrous thickening s of bile duct walls resulting in biliary strictures
Term
Gallstone ileus
Definition
Small bowel obstruction from a large gallstone (>2.5 cm) that has eroded through the gallbladder and into the duodenum/small bowel
Term
What is a klatskin tumor
Definition
Tumor that involves the junction of the right and left heretic ducts
Term
What is the most common abdominal surgical emergency
Definition
Appendectomy
Term
Name some signs and sx of appendicitis
Definition
Abd pain that migrates to the RLQ
Anorexia, n/v
Pain in testes
Diarrhea (18%)
Rebound tenderness, guarding, diminished bowel sounds
Term
Where is McBurney's point
Definition
RLQ, point one third from the anterior superior iliac spine to the umbilicus in a patient with appendicitis
Term
What is rosvings sign
Definition
Deep palpating of the LLQ causes referred pain in RLQ in a pt with appendicitis
Term
What is psoas sign
Definition
RLQ pain when right thigh is extended or flexed against resistance as patient lies on left Side in a pt with appendicitis
Term
What is obturator sign
Definition
Pain in the RLQ when flexed right thigh is internally and externally rotated with patient supine in a pt with appendicitis
Term
What is dunphys sign
Definition
Pain with cough in a pt with appendicitis
Term
What is the MCC of appendicitis
Definition
Fecalith
Term
What is a major DDx for a pt with appendicitis who is a female of child bearing age
Definition
Ectopic pregnancy
Term
What's the radiographic study of choice in a patient with suspected appendicitis
Definition
CT of the abdomen
Term
What's a good opioid for the tx pain due to appendicitis?
Definition
Demerol (meperidine) bc it reduces pressure in the gut so it is good for abdominal pain
Term
What is the average length of a healthy appendix
Definition
8-10 cm (range 2-20cm)
Term
In the later stages of pregnancy what might appendicitis present as
Definition
RUQ or r flank pain
Term
What is the MANTRELS mnemonic used for and what are the components of it
Definition
Appendicitis
migration to the RLQ
Anorexia
N or v
Tenderness in the RLQ (2 pt's)
Rebound pain
Elevated temp
Leukocytosis (2 pt's)
Left shift
Term
Can you have an abnormal urlinalysis with appendicitis
Definition
Yes; mild hematuria and pyuria are common in appendicitis with pelvic inflammation resulting in inflammation of the ureter
Term
Does a positive urinalysis rule out appendicitis
Definition
No; ureteral inflammation resulting from the periappendiceal inflammation can cause abnormal urinalysis
Term
How long after removal of a NONruptured appendix should antibiotics continue post-op
Definition
24 hours
Term
How long do you give antibiotics for perforated appendicitis
Definition
Until the patient has a normal WBC count and is afebrile, ambulating, and eating a regular diet (usually 3-7 days)
Term
What is the most common general surgical emergency in pregnancy
Definition
Appendicitis
Term
What is "mittelschmerz"
Definition
Pelvic pain caused by ovulation
Term
do asymptomatic gallstones require tx?
Definition
not usually, see notes for exceptions
Term
What is intussusception
Definition
A process in which a segment of intestine invaginates into the adjoining intestinal lumen, causing bowel obstruction
Term
What is the triad of sx characteristic to intussusception
Definition
-vomiting, abd pain, and passage of blood per rectum
Term
What is "dance sign"
Definition
Sausage shaped mass in the right hypochondrium and emptiness in the RLQ
Term
When is the mass in intussusception best palpated
Definition
Between spasms of colic when the infants quiet
Term
What is the traditional and most reliable way to make the dx of intussusception in kids
Definition
Contrast enema
Term
What are the two characteristic signs of intussusception found in ultra Sound. Is ultra sound the study of choice for intussusception
Definition
-target sign and pseudo kidney signs
-no, contrast enema is
Term
What is the most common type of non op reduction used in intussusception
Definition
Pneumatic with air insufflation
Term
What are the two terms used to describe the intestine in intussusception
Definition
-intussusceptum: invaginating portion of the intestine
-intusssuscipiens: the receiving portion of the intestine
Term
How is intussusception dx and tx in adults
Definition
Ct and surgery
Term
What is another name for toxic megacolon
Definition
Toxic colitis
Term
What is toxic megacolon
Definition
An acute toxic colitis with dilatation (either total or segmental) of the Colon
Term
What is a RF for toxic megacolon in an infant
Definition
Hirschsprung's disease
Term
What are some risk factors for toxic megacolon in adults
Definition
UC, crohns colitis, pseudomembranous colitis, infectious colitides
Term
Name some s/ sx of toxic megacolon
Definition
Fever, rectal bleeding, tenesmus, vomiting, abd distention, severe bloody diarrhea, vomiting, dehydration

Rigid abdomen, localized, diffuse or rebound abd tenderness
Term
What are the two hallmarks of toxic megacolon
Definition
Non obstructive colonic dilatation >6 cm and signs of systemic toxicity
Term
What are the diagnostic criteria for toxic megacolon
Definition
1. Radiographic evidence of colonic dilatation
2. Any 3 of the following: fever, tachycardia, leukocytosis, or anemia
3. Any 1 of the following: dehydration, altered mental status, electrolyte abnormality, hypotension
Term
Keeping in mind predisposing factors for toxic megacolon, what may make the symptoms and physical findings be minimal
Definition
Inflammatory colitides which often cause this problem are often treated by high dose steroids which can mask the s/sx
Term
Describe the form of toxic megacolon most commonly associated with ulcerative colitis
Definition
Transverse colon dilated greater than 6 cm with loss of haustration
Term
What are the three main treatment goals of toxic megacolon
Definition
-reduce colonic distention to prevent perforation
-correct fluid and electrolyte disturbances
-tx toxemia and precipitating factors
Term
Describe the different between the abd pain of appendicitis and the abd pain of gastroenteritis
Definition
In appendicitis the pain precedes vomiting, then migrates to the RLQ where it intensifies from local peritoneal irritation
Term
What patient behavior should make you seriously question the diagnosis of appendicitis
Definition
If the patient is hungry and wants to eat.
Term
What is the most common bacterial cause of mew enteric lymphadenitis that can lead to appendicitis
Definition
Yersinia enterocolitica
Term
What is the most common cause of small bowel obstruction in toddlers (<2yrs old)
Definition
Intussusception
Term
What is the most common site of intussusception
Definition
Terminal ileum involving the ileocecal valve and extending into the ascending colon
Term
What are the top four causes of SBO
Definition
1. Post op adhesions
2. Malignancy
3. Crohn's disease
4. Hernias
Term
Describe the bowel Segments proximal to a SBO
Definition
Proximal to the SBO is dilated
Term
Describe the main difference in orientation between a proximal and distal SBO
Definition
Proximal will have abd pain that has occurred for a shorter period of time that is colicky and accompanied by bilious vomiting
Distal pain is lasting as long as several days, progressive in nature, and accompanied by abd distention
Term
Name five s/sx of SBO
Definition
Nausea, vomiting (more proximal SBO), diarrhea (early finding), constipation (late finding), fever/tachycardia (late finding and may be seen with strangulation)
Term
Describe the bowel sounds heard in a SBO
Definition
Hyperactive early and hypo active later
Term
What the radiological study of choice for SBO , what will you see
Definition
X-ray of abd/pelvis two views supine and upright. Dilated small bowel loops with air fluid levels, absent or minimal colonic gas
Term
What are the top five steps in the ED for the care of an SBO
Definition
Aggressive fluid resuscitation
Bowel decompression by NG tube
PRN analgesia and antiemetics
Surgical consult
Abx
Term
In a SBO that is simple or partial (NOT strangulated) what should be done for up to three days as tx
Definition
Non op trial of NG tube decompression and most will resolve themselves
Term
What type of SBO is a surgical emergency
Definition
Strangulated
Term
What are the two MCC of LBO
Definition
Colon cancer (60%)
Diverticulitis (20%)
Term
What drug is associated with acute mesenteric ischemia
Definition
Digitalis
Term
T which intestinal artery do emboli preferentially go to in acute mesenteric ischemia
Definition
Sma
Term
What is the classic triad of acute mesenteric ischemia
Definition
1. Acute onset of pain
2. Vomiting, diarrhea, or both
3. Hx of a fib, heart disease, or both
Term
What is the gold standard diagnostic test for acute mesenteric ischemia
Definition
Mesenteric angiogram
Term
What are the symptoms of acute mesenteric ischemia
Definition
Severe pain, out of proportion to the exam, vomiting/diarrhea/hyper defecation, maybe heme stools
Term
What are the symptoms of chronic mesenteric ischemia
Definition
Weight loss, post paranoiac abdominal pain, anxiety/fear of food due to the pain, could have NVD, could have heme positive stools
Term
What vasodilatory drug is used in non occlusive mesenteric ischemia papaverine
Definition
Term
What action taken by a patient with chronic mesenteric ischemia can help with the severe pain
Definition
Squatting down
Term
What three vessels supply blood to the gut
Definition
Celiac, SMA, IMA
Term
What gene is involved in hereditary familial polyposis syndrome
Definition
APC gene
Term
High intake of what two things can be protective against polyp formation
Definition
Calcium and fiber
Term
What are the screening guidelines for colonoscopy as far as when to begin, when to being if first degree family hx, and when to rescreen after polyp removal
Definition
50
5 years before diagnosis of relative
Every 3 or 5 years depending on the polyp, whether its low risk or high risk respectively
Term
What are the two anatomic classifications of polyps
Definition
Sessile (flat)
Pedunculated (on a stalk)
Term
What are the 4 histologic classifications of polyps
Definition
-inflammatory pseudopolyp (as seen in UC or crohns)
-hamartamotus (NL tissue in abnormal configuration)
-hyperplastic (benign, NL cells, no malignant potential)
-neoplastic (proliferation of undifferentiated cells, pre or pre malignant
Term
What are the three subtypes of neoplastic polyps
Definition
Tubular adenoma, tubulovillious adenomas, villous adenomas
Villous>tubulovillious > tubular
Term
What region of the colon are most polyps found in
Definition
Recto sigmoid
Term
What is an anal fissure
Definition
A painful linear tear or crack in the distal anal canal which , in the short term, usually involves only the epithelium and in the long term involves full thickness of the anal mucosa
Term
On what part of the anus does an anal fissure usually occur? What does different placement suggest?
Definition
Anterior or posterior canal midline
Off midline: crohns, aids, std (syphilis) or cancer
Term
What are some mainstays of treatment for anal fissures
Definition
Bulking agents (Metamucil), increased fluids, site baths, and nitroglycerin if the first three provide no relief
Term
What is the usual cause and pathophysiology of an anorectal abscess
Definition
Obstruction of anal glands with obstructing debris leading to infection and eventual abscess formation
Term
What are the mainstays of treatment for an anorectal abscess
Definition
Surgical drainage (I and D) followed by WASH : warm water cleansing, analgesics, stool softeners, and high fiber diet
Term
Give some causes of hemorrhoids
Definition
Prolonged erect posture, constipation, pregnancy, diarrhea, obesity, fam hx, portal HTN, ascites, anatomic abnormalities
Term
What are the two types of hemorrhoids
Definition
Internal and external
Term
What are the four stages of external hemorrhoids
Definition
Stage 1: bleed with defacation
2: protrude from anal opening but reduce spontaneously
3: requires manual reduction after bowel movements. Pain and discomfort
4: chronically protruding and risk of strangulation
Term
What is the treatment for hemorrhoids.. Stage 1 and 2, stage 3, and stage 4
Definition
1&2: high fiber diet, increased fluids, and bulk laxatives
3: suppositories with anesthetic and astringent
4 or unresponsive: surgery injection , rubber band ligation, or sclerotherapy
Term
What are some signs and symptoms of hemorrhoids
Definition
Pruritus ani, rectal bleeding/pain, fullness or mass sensation
Term
What types of HPV are known causes of rectal warts and neoplasms
Definition
Warts 6 and 11
Neoplasms 16 and 18
Term
What are some treatment options for anal warts
Definition
Imiquimod (Aldara), cryotherapy, laser treatment, electrodessication, surgical destruction/excision
Term
What are the too three sites of metastasis from a colorectal cancer
Definition
Liver, lung, peritoneum
Term
Name some medications, other ingested items, that can cause esophagitis by relaxing smooth muscle
Definition
-nitrates, CCBs, caffeine, albuterol, aminophylline
-SMOKING
Term
What are 3 classic symptoms of esophagitis?
Definition
-heartburn
-acid regurgitation (water brash or pyrosis)
-dysphagia or odynophagia
Term
Obstruction of liquids during swallowing is a red flag for a DO other than esophagitis, name a few
Definition
-neuromuscular DO
-neoplasm
-esophageal diverticulum
Term
What is the most common fungal cause and the most common viral cause of esophagitis in an IC pt
Definition
candida
CMV ro HSV
Term
on upper endoscopy, what will be seen for a patient with esophagitis due to CMV or HIV, HSV, or Candida
Definition
CMV or HIV: deep, large ulcers
HSV: shallow multiple ulcers
Candida: white plaques
Term
What is a type of esophagitis seen in pts with food allergies? Tx?
Definition
eosinophilic
fluticasone via metered dose inhaler
Term
You see a birds beak appearance on a CXR, you think
Definition
achalasia
Term
you see a corkscrew appearance of the esophagus on the CXR, you think...
Definition
esophageal spasm
Term
What is neurogenic dysphagia?
Definition
causes difficulty swallowing with both liquids and solids. Caused by injury or dz of the brain stem of cranial nerves involved in swallowing
Term
what is zenker's diverticulum?
Definition
out pouching of posterior hypo pharynx that can cause regurgitation of undigested food/liquids into the pharynx several hrs after eating
Term
What is achalasia? how does it look on a CXR?
Definition
-global esophageal motor disorder in which peristalsis is decreased an LES tone increased. Causing slowly progressive dysphagia with episodic regurgitation and chest pain
Term
How does scleroderma sometimes manifest in the esophagus?
Definition
causes decreased esophageal sphincter tone and peristalsis- predisposing the pt to the symptoms and complications of reflux esophagitis
Term
a pt presents after a night of heaving drinking with hematemesis... you immediately think?
Definition
mallory weis tear
Term
What exactly is a mallory weis tear?
Definition
a linear mucosal tear in the esophagus, usually at the GE junction
Term
SCC of the esophagus is (more/less) common in the US than adenocarcinoma of the esophagus? In which part of the esophagus does each occur? What are the predisposing factors for each?
Definition
-more
-SCC: prox 2/3; AdenoCA: distal 1/3
-SCC: smoking, alcohol; AdenoCA: barrett's, GERD, scleroderma, zollinger ellison, hiatal hernia
Term
What are some s/sx of an esophageal neoplasm?
Definition
progressive dysphagia/odynophagia
unintentional weight loss
vomiting
Term
What is the most common cause of esophageal stricture? the second and third?
Definition
GERD (70-80%)
post op strictures (10%)
corrosive strictures (<5%)
Term
Name some common s/sx of esophageal stricture?
Definition
dysphagia, odynophagia, unintentional weight loss, regurgitation of food, food impaction, chest pain, heart burn
Term
What are the two best treatments for esophageal stricture>
Definition
esophageal dilatation
PPIs
Term
There are three disease processes that cause strictures. name each and give a short description
Definition
-intrinsic: inflammation, fibrosis, neoplasia
-extrinsic: lymph node enlargement or direct invasion
-dz's that disrupt esophageal peristalsis a/o LES function by effects on smooth muscle and its innervation
Term
What causes esophageal varices? Which is usually caused by ....
Definition
Portal HTN, usually caused by cirrhosis (alcoholism) or long standing hepatitis
Term
What part of the esophagus do esophageal varices usually occur?
Definition
distal
Term
Esophageal varices are usually asymptomatic until a life threatening bleed occurs. What are some s/sx that can occur before a life threatening bleed?
Definition
weakness, malaise, anorexia, abd pain, pallor, jaundice, ascites, splenomegaly
Term
what syndrome can cause thrombosis of portal vein and is on the DDX for esophageal varices?
Definition
budd chiari syndrome: triad of abd pain, ascites, and hepatomegaly
Term
what is the tx for a bleeding esophageal varice?
Definition
EVL
high vol fluid replacement
pharmacologic vasoconstriction (octreotide) and BB
Term
how does octreotide work in the tx of esophageal varices? What is another option
Definition
causes splanchnic vasoconstriction and reduces portal pressures.
vasopressin is second line due to cardiac side effects
Term
What is the tx for nonbleeding esophageal varices?
Definition
EVL and beta blocker
Term
What are the three major pathophysiologic causes of GERD
Definition
1. dysfunction of the LES allowing reflux of gastric contents
2. Poor esophageal motility decreases clearance of acidic material
3. Delayed gastric emptying causes increased intragastric pressure resulting in increased pressure against the LES--- overcoming LES pressure and leasing to reflux
Term
Name some major risk factors for GERD
Definition
-drug induced (nitrates, bronchodilators, CCBs)
-caffeine, smoking,
-Pregnancy
-Obesity
-Scleroderma
Term
What are pharmacologic treatments for GERD
Definition
H2 antagonists and PPIs, Both decrease gastric acid secretion in different ways
Term
Name some H2 blockers
Definition
Ranitidine- Zantac
Cimetidine- tagamet
famotidine- pepcid
nizatidine- axid
Term
name some PPis
Definition
omeprazole- prilosec
pantropazole- protonix
esomeprazole- nexium
lansoprazole- prevacid
Term
What is the MCC of chronic gastritis?
Definition
H. Pylori
Term
WHat are some s/sx of gastritis?
Definition
epigastric burning, early satiety, N/V, belching, halitosis, black tarry stool, vomiting coffee ground material
Term
what are some causes of gastritis other than H. pylori
Definition
regular use of NSAIDs, excess etoh, excess smoking, severe stress,
Term
what is the best test for evaluation of Upper GI pain?
Definition
EGD
Term
What is first line tx for mild-mod gastritis with no concerning sx?
Definition
H2 blocker or PPI and stop NSAIDs
Term
What is the triple therapy for h pylori? quadruple?
Definition
-Triple (use when low clarithromycin resistance)
1. PPI 2. Amoxicillin (sub Flagyl if pcn allergic) 3. Clarithromycin
-Quad therapy (when clarithromycin resistance high)
1. PP1 2. Bismuth 3. Flagyl 4. Tetracycline
Term
why do NSAIDs cause gastritis?
Definition
NSAIDs are cox inhibitors. COX is the rate limiting enzyme in prostaglandin formation. PGs protect the mucosal lining of the stomach from acid. NSAIDs inhibit cox, decrease PGs and lead to mucosal injury
Term
why do NSAIDs cause gastritis?
Definition
NSAIDs are cox inhibitors. COX is the rate limiting enzyme in prostaglandin formation. PGs protect the mucosal lining of the stomach from acid. NSAIDs inhibit cox, decrease PGs and lead to mucosal injury
Term
What is the MCC type of gastric neoplasm seen? where is it most prevalent
Definition
adenocarcinoma. not common at all in the US, huge problem in Japan
Term
Name some RF's for adenocarcinoma of the stomach
Definition
-h pylori
-chronic atrophic gastritis
-tobacco abuse
-FAP
-NPHCC
-pernicious anemia
-eating lots of high preservative foods
Term
What are three areas of lymph nodes that gastric adenocarcinoma commmonly metastasizes to?
Definition
-sister mary joseph's node: umbilicus
-Virchows: left supraclavicular
-Irish's: left axillary
Term
What is Zollinger Ellison syndrome? What hereditary issue is it related to? Where are they often found? What is the dx lab?
Definition
gastrin secreting tumor (gastrinoma) that results in PUD
MEN 1
pancreas and duodenum
Fasting gastrin level >150
Term
What is the most common extra nodal site for a non-hodgkin lymphoma
Definition
gastric lymphoma!
Term
What is the most common cause of peptic ulcer disease (PUD)? what is another very common cause?
Definition
H pylori!
NSAID use
Term
Give the sx of a duodenal ulcer, the sx of a gastric ulcer, and the shared symtpoms
Definition
-Duodenal: relieved with food and antacids, worse at night
-Gastric: aggravated by food, more constitutional sx (anorexia, weight loss, NV)
-Both: burning, gnawing mid epigastric pain; may radiate to the back; dyspepsia (belching, bloating, distention, heart burn)
Term
If a patient with PUD does not have a hx of NSAID use and is negative for H Pylori, what must be ruled out? How?
Definition
ZES, gastrin levels with or without secretin test
Term
What is the tx for PUD? If it is caused by H Pylori?
Definition
-avoid triggers
-PPIs and H2 receptor antagnists
-Triple tx for HP: PPI, clarithromycin, amoxicillin
Term
What are some non-infectious types of hepatitis?
Definition
alcoholic, drug induced, autoimmune, and many hereditary types
Term
name three viruses that can cause hepatitis in mostly IC patients
Definition
CMV
EBV
HSV
Term
What types of hepatitis are spread via the fecal oral route?
Definition
A and E
Term
Hepatitis D can only be transmitted with Hepatitis ___
Definition
B
Term
How is Hep B spread ?
Definition
parenterally or sexually. also perinatal
Term
how is Hep C spread?
Definition
parenteral
sexual and perinatal are not common
Term
What types of Hepatitis can progress to chronic disease?
Definition
B, C, D
Term
Some chronic Hep patients are asymptomatic (carriers) and only present with the late complications. name the two end stage complications of Hep
Definition
cirrhosis
hepatocellular carcinoma (HCC)
Term
Which type of Hep has a greater chance of progressing from acute to chronic, B or D? Which has a greater risk of developing cirrhosis or HCC?
Definition
-C (>80%), B is only 10-15%
-B (25-40%), C is only 10-25%
Term
What are some s/sx of viral hepatitis?
Definition
-s: jaundice, tea colored urine, tender hepatomegaly
-sx: malaise, anorexia, low grade fever, vague abd discomfort, NVD
Term
What lab shows active HAV?
Definition
immunoglobulin M AB to HAV
Term
what is the tx for HAV?
Definition
supportive, be careful not to spread, avoid ETOH and other toxins
Term
For Hep B, what do the following markers tell:
-HBsAg
-anti HBc
-anti HBs
-HBeAg
Definition
-HbsAg: ongoing infection
-anti HBc: acute hepatitis
-anti HBs: immunity by past infection or vaccine
-HBeAg: highly contagious active infection
Term
What does the presence of the Hep C antibody mean?
Definition
active HCV infection
Term
What two types of Hep are commonly co-infections with HIV?
Definition
B and C
Term
where is Hep E prevalent?
Definition
india, pakistan, SE Asia, parts of Africa
Term
What is the MCC of cirrhosis? 2nd MCCs?
Definition
-Alcoholic liver dz
-Hep B and Hep C
Term
What is the pathophysiology of cirrhosis... specifically what two major events are caused by this distortion of liver anatomy?
Definition
-decreased blood flow through the liver with subsequent HTN in portal circulation causes widespread manifestations: ascites, peripheral edema, splenomegaly, and varices (esophageal, gastric, hemorrhoids, caput medusae)
-hepatocellular failure leads to impairment of biochemical functions such as: decr. albumin synthesis and decr. clotting factor synthesis
Term
What is Child's Classification? Give the classes
Definition
-estimates hepatic reserve in liver failur
-class A is mild dz
-Class C is most severe dz
Term
What is the gold standard for dx of cirrhosis?
Definition
liver biopsy
Term
What are the classic signs of chronic liver disease?
Definition
-ascites, varices, gynecomastia, testicular atrophy, palmar erythema, spider angiomas, hemorrhoids, caput medusae
Term
What is the tx of cirrhosis?
Definition
-abstinence from ETOH (regardless of underlying cause)
-interferons for Hep B and C if they're they cause
-liver transplant (must be ETOH free for 6 months)
Term
What is the mnemonic to remember the complications of cirrhosis? What does it stand for?
Definition
-AC 9H
-ascites
-coagulopathy
-portal HTN, hypoalbuminemia, hyperammonemia, hyperestrinism, hepatic encephalopathy, hepatorenal syndrome, hyperbilirubinema/jaundice, HCC
Term
What is the most life threatening complication of portal HTN?
Definition
bleeding varices!
Term
What are the three locations of varices common with Portal HTN?
Definition
-gastric (10%), esophageal (90%)
-rectal hemorrhoids
-caput medusae (distention of abd wall veins)
Term
How does ascites of the abdomen occur in portal HTN, specifically what are the pressure changes that are occurring?
Definition
-the accumulation of fluid in the peritoneal cavity occurs from an increase in hydrostatic pressure 2ary to portal HTN and then a decrease in oncotic pressure 2ary to hypoalbuminemia
Term
What is the method of diagnosis for ascites?
Definition
abd US can detect as little as 30 mL of fluid
Term
The fluid from a paracentesis of a pt with portal HTN would show what in regards to total PRO concentration and serum ascites albumin gradient?
Definition
-total pro concentration <3 g/dL (transudate)
-serum ascites albumin gradient >1.1 g/dL (<1.1 g/dL is unlikely to be from portal HTN)
Term
What causes hepatic encephalopathy? What are some s/sx of hepatic encephalopathy
Definition
-toxic metabolites (AMMONIA) usually filtered out by the liver accumulate and reach the brain
-decr. mental function, confusion, poor concentration
Term
What musk findings may be seen with hepatic encephalopathy
Definition
-rigidity and hyperreflexia
-ASTERIXIS (flapping tremor) that can be seen with extension of the arms and dorsiflexion of the hands
Term
what does SBP stand for in terms of a cirrhosis pt?
Definition
-spontaneous bacterial peritonitis
Term
what is the MC agent of SBP
Definition
E coli
Term
what is the dx parameters for SBP?
Definition
WBC >500 AND PMN>250
Term
What are the signs of hyperestrinism in cirrhosis? why does hyperestrinism happen?
Definition
-testicular atrophy, gynecomastia, spider angiomas, palmar erythema
-occurs d/t lack of estrogen binding PRO, so the serum estrogen levels increase
Term
Why is Vit K ineffective in tx coagulopathy caused by cirrhosis? What is the tx?
Definition
-bc Vit K cannot be used by the failing liver
-FFP is the tx
Term
what percentage of pt's with cirrhosis get HCC (hepatocelllular carcinoma)?
Definition
10-25%
Term
Name some s/sx of a hepatic neoplasm
Definition
-weight loss, RUQ abd pain, tender hard palpable liver mass, peritoneal friction rub, hepatic bruit
Term
Where are hepatic cancer most common? (areas of the world)
Definition
where hep B is endemic (SE asia and subsaharan africa)
Term
What serum lab value is highly specific (91%) but only 64% sensitive for liver neoplasms?
Definition
alpha fetoprotein >20 ng/mL
Term
What is the pathophysiology of acute pancreatitis?
Definition
-it is an inflammation of the pancreas resulting from prematurely activated pancreatic enzymes that invoke pancreatic tissue autodigestion
Term
What are the two main causes of pancreatitis? Name some other less common causes? MC pimping question?
Definition
-ETOH abuse (40%)
-Gallstones/biliary tract dz (40%)- gallstones passing into CBD and blocking the ampulla of vater
-s/p ERCP, drug induced, post-op
-Scorpion Bites
Term
What is the MCC of acute pancreatitis in pediatrics
Definition
blunt abdominal trauma
Term
Describe the s/sx of acute pancreatitis
Definition
-acute epigastric abd pain, severe steady and dull, made worse with oral intake, laying supine, made better with leaning forward
-N, V, anorexia
-low grade temp, hypotensive, tachycardic
-epigastric tenderness and abd distention
Term
Between amylase and lipase, which is more specific for acute pancreatitis dx? Which is most commonly used? What are some criteria for out of the range of NL for the more commonly used test?
Definition
-lipase more specific than amylase
-amylase MC ordered
-amylase 5x the upper limits of NL should strike suspicion
Term
What criteria is often used to evaluate mortality in patients with acute pancreatitis? What lab marker is not a part of this criteria that one would think would be?
Definition
Ranson's Criteria
amylase is not a part of it!
Term
What is the best rad for dx of acute pancreatitis?
Definition
CT
Term
What are the signs of a hemorrhagic pancreatitis?
Definition
-Cullen's (ecchymosis around the umbilicus), Grey Turner's (ecchymosis of the flanks) , and Fox's (ecchymosis along the inguinal ligament) Signs
Term
What is the tx of acute pancreatitis?
Definition
-NPO, BOWEL REST!
-IV fluids
-Pain control, usually necessitates narcotics
-NG tube if severe NV or ileus
Term
At what # of positive Ranson Criteria should a patient go to the ICU for monitoring?
Definition
3-4
Term
What is the pathophysiology of chronic pancreatitis?
Definition
-persistent or continuing inflammation of the pancreas, with fibrotic tissue replacing pancreatic parenchyma, and alteration of pancreatic ducts (areas of stricture/dilation)-- eventually resulting in irreversible destruction of the pancreas
Term
What is the MCC of chronic pancreatitis?
Definition
chronic ETOH abuse (80%)
Term
What are the signs and sx or chronic pancreatitis?
Definition
-recurrent or persistent severe epigastric abd pain, often made worse with ETOH or eating, 50% radiate to back, worse when lying and better when leaning forward
-NV
-weight loss due to malabsorption, alcohol abuse, and DM
-steatorrhea due to malabsorption
Term
What is the classic triad of chronic pancreatitis?
Definition
steatorrhea, pancreatic calcifications, and DM
Term
What is the gold standard for diagnosis of chronic pancreatitis?
Definition
ERCP
Term
Are labs helpful in determination of chronic pancreatitis?
Definition
No, amylase and lipase are usually NL or only slightly elevated
Term
What is the biggest social concern/complication associated with chronic pancreatitis?
Definition
narcotic addiction
Term
What are some non-op tx for chronic pancreatitis?
Definition
-NPO/ BOWEL REST for acute exacerbation
-narcotics
-Pancreatic enzymes and H2 blockers
-Insulin
-Abstinence from ETOH
-frequent, small-vol, low-fat meals
Term
What is the goal of surg in chronic pancreatitis?
Definition
relieve incapacitating pain
Term
What is the most common type of pancreatic neoplasm (histologically speaking)
Definition
ductal adenocarcinoma
Term
What is the most common location of a pancreatic neoplasm? second and third MC?
Definition
-head (75%)
-body (20%)
-tail (5-10%)
Term
What is the most clearly est. risk for pancreatic ca? what are some others?
Definition
-Tobacco abuse!
-diabetes, heavy ETOH, chronic pancreatitis, increasing age
Term
Is painless jaundice a common sign of pancreatic cancer?
Definition
No
Term
What is Courvoisier's Sign?
Definition
palpable gallbladder most often due to CA of the pancreatic head
Term
What is the most sensitive test for dx of pancreatic neoplasm?
Definition
ERCP
Term
what are two cancer markers that are measured in pancreatic tumors dx?
Definition
CA 19-9
CEA
Term
What medications can contribute to constipation?
Definition
NARCOTICS, anticholinergics (antidepressants), iron, CCBs, aluminum or Ca antacids, Laxative abuse/dependence
Term
What are some endocrine/metabolic causes of constipation?
Definition
hypothyroid, hypercalcemia, hypokalemia, dehydration, uremia
Term
How much fiber should be recommended per day to a pt suffering from constipation? H20 intake?
Definition
10-20 grams of fiber per day
64 oz or 1.5-2 L of water
Term
What is the cause of diverticulosis?
Definition
increased intraluminal pressure. the inner layer of the colon bulges through a focal area of weakness in colon wall (usually an area of blood vessel penetration)
Term
What is the cause of diverticulitis?
Definition
inflammation of one or more diverticula suspectedly due to fecal material or undigested food getting stuck in the out pouching causing obstruction, which may lead to erosion and micro perforation
Term
What is the most common area of the colon for diverticula?
Definition
sigmoid colon, probs d/t higher pressure in this area
Term
What are some known risk factors for diverticular dz?
Definition
low fiber diet (which leads to) and constipation. Causes increased intraluminal pressures
Term
What quadrant of the abdomen is the pain and discomfort of diverticular dz usually manifested?
Definition
LLQ
Term
How is diverticulosis dx? Diverticulitis?
Definition
-barium enema
-CT scan with oral and IV contrast (a barium enema or colonoscopy is CONTRAINDICATED in these pts due to the risk of perforation)
Term
What is a sign on a CBC of diverticulitis?
Definition
high WBC count
Term
What is the tx of diverticulosis? diverticulitis?
Definition
-high fiber, low reside diet
-PO or IV abx depending on the severity, low residue or bowel rest diet, and analgesics
Term
Where can crohn's disease be located in the GI tract? What are the most common areas?
Definition
-anywhere from the mouth to the anus
-the terminal ileum is one of the most common areas and it is predominantly R sided
Term
On colonoscopy/biopsy what does Crohn's disease look like?
Definition
-skip lesions
-apthous ulcers
-cobblestone appearance
-transmural extensions to the entire bowel wall
-pseudopolyps
Term
Is smoking a RF for Crohns or UC? Is smoking protective in Crohns or UC?
Definition
-rf for Crohns
-protective in UC
Term
Give some general s/sx of crohns disease
Definition
low grade fever, malaise, fatigue, abdominal pain (often RLQ), non-bloody diarrhea, cramping,
Term
What is the best test to dx crohn's?
Definition
colonoscopy with biopsy
Term
What is the general medical (not surgical) tx for Crohns disease/
Definition
-sulfasalazine (5-asa mesalamine is the main component) more helpful in UC and colonic issues but can be used here
-metronidazole if no help from 5-asa
-prednisone if refractory to the two above, add immunosuppressants if necessary
Term
What two things are absorbed in the terminal ileum and are therefore often malabsorbed in Crohn's disease patients?
Definition
B12 and Bile Acids (give a bile acid sequestrant for these pts)
Term
Is surgery ever used in pts with Crohns? Recurrence rate?
Definition
Yes, it is often necessary in all Crohns pts due to complications. BUT disease recurs in 50% of pts at 10 years post op
Term
Where is UC located in the GI tract? How does it spread?
Definition
-always in the rectum
-travels from rectum proximally but the small bowel is usually not involved
Term
Describe how UC looks on colonscopy/biopsy?
Definition
-its localized to the mucosa only (NOT transmural)
-uninterrupted involvement (NO skip lesions)
-PMNs accumulate in the crypts of the colon called crypst abscesses
Term
give some s/sx of UC
Definition
intermittent bloody, pus filled diarrhea, rectal urgency, tenesmus, fever, malaise, weight loss, abd pain
Term
What is the gold standard of dx of UC
Definition
colonoscopy with bx
Term
What is used to treat the acute exacerbations of UC
Definition
systemic corticosteroids
Term
What is the mainstay of tx for Crohns disease?
Definition
Sulfasalazine (5-ASA mesalamine is the active component) which helps to maintain remission
Term
Is surgery often implicated in UC?
Definition
Yes, a total colectomy is often curative unlike Crohn's
Term
Sclerosing cholangitis is a complication of UC, is it prevented by a colectomy?
Definition
NO
Term
1/2 of all _______ cancers are associated with UC
Definition
bile duct cancers (cholangicarcinoma)
Term
What is the MCC death in UC?
Definition
Toxic megacolon, affects <5% of UC patients
Term
What is the MC indication for surg in a crohns pt?
Definition
SBO
Term
What is a complication of Crohns that is not common in UC, most likely due to its transmural pattern?
Definition
Fistulae
Term
Erythema nodosum is an associated complication with what type of IBD
Definition
crohns
Term
sclerosing cholangitis is a complication of what type of IBD
Definition
UC
Term
Pyoderma gangreosum is a complication of what type of IBD
Definition
UC
Term
What are the main serum labs to order to dx Celiac Disease (2)?
Definition
-IGA anti-endomysial antibodies
-IGA tissue transglutaminase
Term
What will a small bowel biopsy of a pt with celiac disease show?
Definition
flattened villi (the reason for malabsorption)
Term
What is the tx of celiac disease?
Definition
strict gluten free diet
-prednisone in refractory cases
Term
What drug's only indication is irritable bowel syndrome, and is a common pain reliever for IBS patients? What is the MOA?
Definition
-Dicyclomine Hcl (Bentyl)
-its an antispasmodic and anticholinergic agent which alleviates smooth muscle spasm of the GI tract
Term
What is the tx for intussusception, peds vs adult?
Definition
In peds the dx and tx is barium enema

in adults the dx is CT and tx is surg
Term
What is dance sign?
Definition
In intussusception, a sausage shaped mass in the R hypochondrium and emptiness in the RLQ
Term
Of the three types of colonic polyps, rank them from least to greatest, with risk of carcinoma
Definition
tubulous< tubulovillous< villous
Term
What are the three most common sites of colon cancer mets?
Definition
Liver, lung, and peritoneum
Term
When should a pt who does not have any close family hx of colon cancer have their first colonoscopy? How often after that?
Definition
at age 50, q 10 years
Term
in a pt with a first degree relative who had colon ca, when should they get their first colonoscopy?
Definition
ten years before the age of diagnosis of that first degree relative
Term
anal warts are caused by which strains of HPV? anal cancer is caused by which strains?
Definition
-6 and 11
-16 and 18
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