Download - First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies
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First Hour ConferenceIntraining Exam
ReviewNovember 8, 2006
Gastrointestinal Emergencies
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Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– serologic markers
»HBsAg»HBsAB»HBcAB IgM recent infection (often
in the “window” period)»HBcAB IgG»HBeAg = very high infectivity
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Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– serologic markers
»HBsAg = active/infective»HBsAB = immunity»HBcAB IgM = recent infection (often
in the “window” period)»HBcAB IgG = remote infection»HBeAg = very high infectivity
![Page 4: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/4.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAg»HBcAB IgM
![Page 5: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/5.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAg = active/infective»HBcAB IgM = recent infection
![Page 6: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/6.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAg = active/infective»HBcAB IgM = recent infection
Acute infection! (uncertain whether patient will become immune or chronic)
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Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAg»HBcAB IgG
![Page 8: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/8.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAg = active/infective»HBcAB IgG = remote infection
![Page 9: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/9.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAg = active/infective»HBcAB IgG = remote infection
Chronic carrier!
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Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBcAB IgM»all other markers negative
![Page 11: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/11.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBcAB IgM = recent infection»all other markers negative
![Page 12: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/12.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBcAB IgM = recent infection»all other markers negative
Recent infection, in the window period!
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Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAB»HBcAB IgG
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Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAB = immunity»HBcAB IgG = remote infection
![Page 15: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/15.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAB = immunity»HBcAB IgG = remote infection
Past infection but now immune!
![Page 16: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/16.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAB»all other markers negative
![Page 17: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/17.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAB = immunity»all other markers negative
![Page 18: First Hour Conference Intraining Exam Review November 8, 2006 Gastrointestinal Emergencies](https://reader035.vdocuments.site/reader035/viewer/2022062421/56649e0c5503460f94af4771/html5/thumbnails/18.jpg)
Liver
• Infectious/inflammatory disorders– Viral hepatitis
• hepatitis B– Example
»HBsAB = immunity»all other markers negative
Successful immunization!
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GI Emergencies
• What is the most common cause of massive (> 40% blood volume) UGIB?
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GI Emergencies
• Esophageal variceal bleeding
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GI Emergencies
• What two drugs should be considered (usually use one or the other) in variceal bleeding?
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GI Emergencies
• Octreotide• Vasopressin
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GI Emergencies
• What additional drug should generally be used in conjunction with vasopressin to diminish side effects?
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GI Emergencies
• NTG• To diminish hypertension, cardiac
and splanchnic vasoconstriction
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GI Emergencies
• What is the most common cause of lower esophageal dysphagia (due to luminal narrowing)?
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GI Emergencies
• Carcinoma
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GI Emergencies
• What are the most common sites for FBs to lodge in the esophagus?– (one point for each)
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GI Emergencies
• C6--cricopharyngeus muscle (most common sige in kids < 4yo)
• T4--at level of aortic arch• T10-11--at lower esophageal
sphincter/diaphragmatic hiatus (most common site in adults)
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GI Emergencies
• At child is brought to the ED by parents stating that he swallowed an alkaline calculator battery. The child is asymptomatic. You get an xray and find it in the stomach. What do you do?
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GI Emergencies
• If in stomach and child asymp., can follow with xrays to and stool checks (parents do this!) to make sure it passed
• If in esophagus, this is a true emergency requiring endoscopic retrieval
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GI Emergencies
• What FBs in the stomach need to be removed endoscopically?(what characteristics of the FB)
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GI Emergencies
• Sharp/pointed• Objects longer than 5 cm X 2 cm
• Sharp ones are at high risk to cause perf, usually at region of ileocecal valve
• Large ones are unlikely to pass
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GI Emergencies
• What organism is often associated with peptic ulcer disease?
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GI Emergencies
• Helicobacter pylori
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GI Emergencies
• Which PUD medication is contraindicated in pregnancy because it is associated with spontaneous miscarriage?
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GI Emergencies
• Misoprostol (synthetic PGE1 analogue; works by
stimulating local mucus and bicarb secretion, enhancing mucosal blood flow and inhibiting gastric acid secretion)
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GI Emergencies
• What is the most common abdominal surgical emergency in pregnancy?
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GI Emergencies
• Acute appendicitis
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GI Emergencies
• In what % of cases of appendicitis is an appendecolith found on plain xray?
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GI Emergencies
• 2-22% (but probably on the lower end of that)
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GI Emergencies
• What is the most common cause of SBO in adults?
• What is the second most common cause?
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GI Emergencies
• Most common is adhesions from prior surgeries
• Second most common is hernia
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GI Emergencies
• What is the most common cause of LBO?
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GI Emergencies
• Tumors
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GI Emergencies
• Describe the typical patient with a sigmoid volvulus.
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GI Emergencies
• Elderly, bed-ridden patients with chronic debilitating comorbid diseases or profound neuro/psychiatric conditions; patients have severe chronic constipation, leading to elongated, redundant sigmoid colon
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GI Emergencies
• What is the diagnostic test of choice for patients with suspected mesenteric ischemia?
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GI Emergencies
• Angiography
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GI Emergencies
• Which type of hernia is least likely to incarcerate:– Direct– Indirect– Femoral
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GI Emergencies
• Direct--rarely incarcerates• Indirect--frequently incarcerates,
esp. in infancy• Femoral--frequently incarcerates
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GI Emergencies
• Compare Crohn’s disease vs. ulcerative colitis in terms of:– Which layers of the bowel they
typicall involve
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GI Emergencies
• Compare Crohn’s disease vs. ulcerative colitis in terms of:– CD--all layers (full wall of bowel)– UC--only the mucosal and submucosal
layers of the bowel wall; muscular layers and serosa are spared usually
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GI Emergencies
• Compare Crohn’s disease vs. ulcerative colitis in terms of:– Areas of GI tract involved
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GI Emergencies
• Compare Crohn’s disease vs. ulcerative colitis in terms of:– CD--any area, from esophagus to
anus, though ileum is usually involved; skip/discontinuous areas common
– UC--isolated to colon and rectum (always begins in rectum); continuous and uniform involvement of bowel
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GI Emergencies
• What is, overall, the most common cause of rectal bleeding?
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GI Emergencies
• Hemorrhoids
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GI Emergencies
• What is the “line of demarcation” that is used to distinguish between internal and external hemorrhoids?
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GI Emergencies
• The dentate line
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GI Emergencies
• What are the typical ages that are most commonly infected with Rotavirus?
• Same question for Norwalk virus.
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GI Emergencies
• Rotavirus children 6-24 mos. • Norwalk virus school-aged
children and adults
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GI Emergencies
Name the organism:• Bloody diarrhea, crampy
abdominal pain, renal failure in children
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GI Emergencies
Name the organism:• E.coli 0157:H7(HUS in kids, TTP in elderly)
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GI Emergencies
Name the organism:• Kids with bloody diarrhea, fevers to
105, febrile seizure
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GI Emergencies
Name the organism:• Shigella
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GI Emergencies
Name the organism:• Diarrhea bug that is associated
with the following high-risk groups:– Extremes of age– Immunocompromised– Splenectomized patients– Patients with sickle cell anemia
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GI Emergencies
Name the organism:• Salmonella
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GI Emergencies
Name the organism:• Diarrhea bug that is associated
with Guillain-Barre syndrome as a late sequela
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GI Emergencies
Name the organism:• Campylobacter
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GI Emergencies
Name the organism:• Diarrhea bug that mimics
appendicitis• Recent exposure to farm animals
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GI Emergencies
Name the organism:• Yersinia enterocolitica
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GI Emergencies
Name the organism:• Onset of GI symptoms within just a
few hours of ingesting food• Food is usually protein rich (ham,
eggs, mayonnaise)
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GI Emergencies
Name the organism:• Staph aureus
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GI Emergencies
Name the organism:• Onset of GI symptoms within just a
few hours of ingesting food• Food is classically fried rice
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GI Emergencies
Name the organism:• Bacillus cereus
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GI Emergencies
Name the organism:• Bug associated with drinking
untreated water from a well or spring
• Usually affects ISup.
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GI Emergencies
Name the organism:• Aeromonas
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GI Emergencies
Name the organism:• Ingestion of fish• SSx--red itchy skin, wheezing,
N/V/D, throbbing HA and abd cramps
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GI Emergencies
Name the organism:• scombroid
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GI Emergencies
Name the organism:• The most common intestinal
parasite in the U.S.
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GI Emergencies
Name the organism:• Giardia
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GI Emergencies
Name the organism:• Most common cause of chronic
diarrhea in patients with AIDS
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GI Emergencies
Name the organism:• cryptosporidium
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Pop-Culture Trivia
Britney Spears has (finally) filed for divorce with Kevin Federline…
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Pop-Culture Trivia
What year were they married?
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Pop-Culture Trivia
2004
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Pop-Culture Trivia
What is the name of their newborn?(born Sept. 12, 2006)
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Pop-Culture Trivia
Jayden James(first son--Sean Preston)
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Pop-Culture Trivia
What was the name of Britney’s first album?
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Pop-Culture Trivia
“Baby One More Time”
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Pop-Culture Trivia
What movie did K-Fed appear in?
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Pop-Culture Trivia
“You Got Served”
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Pop-Culture Trivia
In which former former Mousketeer’s band did K-Fed serve as a backup dancer?
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Pop-Culture Trivia
Justin Timberlake(also a former boyfriend)
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Pop-Culture Trivia
What other current “diva” was a former Mousketeer with Britney and Justin?
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Pop-Culture Trivia
Christina Aguilera
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Pop-Culture Trivia
Britney has had 2 #1 songs in the U.S.
The first was “Baby One More Time.”
What was the other?
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Pop-Culture Trivia
“Oops! I Did It Again”(2000)
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Pop-Culture Trivia
Britney has appeared in 3 films. Name them…
One point for each.
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Pop-Culture Trivia
2002 Crossroads
2002 Austin Powers in Goldmember (played the role of a Fembot/herself)
1999 Longshot (played the role of a flight attendant)