RUQ and Epigastric Abd pain DSA Flashcards
What are the two types of gallstones?
- Cholesterol - more common, 50%+ cholesterol monohydrate
- Pigment stones - <20% cholesterol, mainly calcium bilirubinate
What are the sx of gallstones?
often asx
biliary colic: severe stead ache in RUQ or epigastrium; often after meals; can radiate to right scapula or back
N/V
What are lab and imagins like with gallstones?
labs - normal typically
imaging -
US can show stones
HIDA can be used to assess the patency of the cystic duct and gallbladder emptying function
When are men more likely to get gallstones over women?
cirrhosis or hep C
What are the two types of pigment stones?
a. black
b. brown - form in bile ducts due to bacterial infection
What is a unique sx of acute cholecystitis?
tea colored urine and/or acholic stools
What US findings suggest acute cholecystitis?
GB thickening, pericholecystic fluid, sonographic murphy sign
What are complications of acute cholecystitis?
gangrene of GB
emphysematous cholecystitis
empyema
hydrops
fistulization
gallstone ileus
porcelain GB
What is essential to dx of choledocholithiasis?
stones in common bile duct
What is the charcot triad? reynold pentad?
- RUQ pain + fever (and chills) + jaundice
- Charcot Triad + altered mental status (confusion) and hypotension –> signifies acute suppurative cholangitis and is an endoscopic emergency
*both considerations in ascending cholangitis
What organisms are often present with ascending cholangitis?
- E. coli*
- Klebsiella*
- Enterococcus*
What is seen on US for biliary dyskinesia?
normal US
also have normal liver enzymes, conjugated bilirubin, amylase/lipase
*use Rome III diagnostic criteria for functional GB
What are lab tests like with chronic cholecystitis typically?
normal
US - usually shows gallstones within contracted GB
What is porcelain GB? courvoisier’s GB?
If you suspect a pt of acute pancreatitis, what diagnositc tool should be avoided when serum Cr > 1.5 mg/dL?
rapid bolus intravenous contrast enhanced CT
What APACHE II score is associated with higher mortality of acute pancreatitis pts?
>8