Cholelithiasis and Cholecystitis Flashcards
Risk for gallstones?
- increases with age
- more females than males
- clusters in family (dietary)
- obesity
- multiparity
components of most gallstones?
-75% are mixed stones (cholesterol, bile salts and lecithin)
Single large stones are usually made out of?
cholesterol
BLACK Pigmented stones - most common cause? usually made out of?
- hemolytic anemia
- calcium bilirubinate
BROWN pigmented stones - most common cause:
-usually made out of?
-associated with infected bile and CBD stones (acute cholelisthiasis)
calcium bilirubinate
What is gallbladder sludge?
composed of mucoprotein, cholesterol crystals and calcium bilirubinate== precursor to stones
Which type of cholecystitis has a positive culture for bacteria?
Acute almost 50% of the time
Chronic about half of that
Most common organisms to invade biliary system?
Most common: -E Coli -Klebsiella (aerobes) anything from GI system
Chronic cholecystitis - symptoms:
- biliary colic - from obstruction
- RUQ pain with radiation to back or scapula
- nausea/Vomit
- pain resolves 1-5 hrs
- if pain >24hrs=acute cholecystitis
chronic cholecystitis
- physical exam/symptoms
- pain may be absent between episodes of biliary colic
- NO PALPABLE MASS
- mild pain on deep RUQ
acute cholecystitis - physical exam/symptoms
- persistent pain
- nausea and vomit common
- low grade fever - common
- pain RUQ
positive murpheys sign with which cholecysttiis?
Acute
Which cholecystitis patient LOOKS sick?
ACUTE
Acute cholecystitis - PE?
- uncomfortable patient in constant pain
- Murpheys sign +
- tender mass may be palpable
- IF NON-TENDER = malignant
- fever,chlls, shaking, jaundice
Lab studies - cholecystitis
- CBC
- electrolytes
- liver function
- amylase/llipase to rule out pancreatitis