Foundations CBR20 – Gastrointestinal
What pain medication is best for biliary colic? ✔️Ans - NSAIDS, it is
prostaglandin mediated pain
US with +gallstone and dilated common bile duct ✔️Ans -
Choledocolithiasis, ± Jaundice, Rx: ERCP
Gold standard for diagnosing choledocolithiasis? ✔️Ans - MRCP. ERCP and
endoscopic US are good as well but they are invasive.
How sensitive if Murphy's sign for Acute Cholecystitis? ✔️Ans - 65-70%
What are possible US findings in Acute Cholecystitis? ✔️Ans - Gallstones,
gallbladder wall thickening (>3mm), pericholecystic fluid, sonographic
Murphy's
Who is most at risk for Acalculous Cholecystitis? ✔️Ans - Inflammed GB but
NO stone; typically in very sick (hospitalized) or elderly
Fever + RUQ pain + Jaundice ✔️Ans - Charcot's Triad; Reynold's Pentad:
add AMS, hypotension; Cholangitis: biliary obstruction with ascending
bacterial infection; HIGH Mortality, Rx: abx, ERCP vs surgery
Chronic RUQ abd pain, Jaundice, Weight Loss ✔️Ans - Cholangiocarcinoma
What is the risk of cancer in patients with a Porcelain Gallbladder? ✔️Ans -
25%
What arthropod is associated with pancreatitis? ✔️Ans - Scorpion
Abdominal pain with bruising around the flank and umbilicus? ✔️Ans -
Hemorrhagic Pancreatitis; Ecchymosis of left flank (Grey-Turner sign),
umbilical ecchymosis (Cullen sign)
Does lipase level coorelate with severity of disease in Pancreatitis? ✔️Ans -
No
, What are the components of Ranson's Criteria in Acute Pancreatitis? ✔️Ans
- Predicts mortality; At admission: Age > 55, WBC > 16k, Glucose >200, LDH >
350, AST > 250; At 48hr: Ca < 8, Hct drop > 10%, PO2 < 60, BUN increase >5,
Neg base excess > 4, Fluid sequestration > 6L
What is a potential consequence of Chronic Pancreatitis? ✔️Ans -
Malabsorption when 90% affected
Painless jaundice and palpable gallbladder (Courvoisier sign) ✔️Ans -
Pancreatic Cancer; most common at head of pancreas, high mortality, high CA
19-9; also may have "Trousseau's sign" (migratory thrombophlebitis)
What is the difference between incarcerated and strangulated hernias?
✔️Ans - Incarcerated: stuck; Strangulated: ischemic (requires surgery)
What is the underlying pathology in Achalasia? ✔️Ans - Impaired
relaxation of the lower esophageal sphincter (LES), absence of peristalsis;
most common esophageal motility disorder. Pts will present with dysphagia
and they will "raise their arms above their heads" or "straighten their backs"
after eating to increase intraesophageal pressure
On what side of the esophagus is rupture most common ✔️Ans - Left side
(distal posterolateral esophagus)
What condition predisposes to spontaneous rupture of the esophagus?
✔️Ans - Esophageal Candidiasis (consider in HIV patient); Rx: oral
fluconazole, IV fluconazole if pt is septic or cannot tolerate PO.
Regurgitating food and recurrent aspiration pneumonia ✔️Ans -
Esophageal Diverticula (Zenker's is pharyngeal mucosa above UES)
Kid with witnessed choking episode ✔️Ans - Esophageal (or tracheal)
foreign body; do thorough workup so this is not missed
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