Flashcards in EXAM #3: CHOLELITHIASIS AND CHOLECYSTITIS Deck (36)
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1
What is unique about the Gallbladder in terms of its anatomy?
Enlarges as it approaches the skin
2
Where is the Gallbladder best found?
- Right costal margin in the mid-clavicular line
- RLQ
- Tip of right 11th rib
3
What is the normal function of the gallblodder?
Stores and concentrates bile
4
What mediates the muscular contraction and sphincter opening of the Gallbladder?
CCK (made in duodenum)
5
Where does Gallbladder pain radiate to?
- Right back
- Shoulder
6
Why does the Gallbladder pain radiate to the back and shoulder?
Viscerosomatic reflexes
7
What are the risk factors for gallstone formation?
1) Age
2) Female
3) Family hx
4) Native American
5) Obesity
6) Multiparity
7) Rapid weight loss
8) Hemolytic disease
9) Alcohol
10) Estrogen
11) TPN
12) Cholesterol binding resins
8
What are the different types of gallstones?
- Cholesterol-mixed
- Pigmented
- Sludge
- Single large
9
What is the composition of a cholesterol-mixed gallstones?
- Cholesterol
- Bile salts
- Lecithin
10
What is a pigmented gallstones composed of?
Calcium bilirubinate
11
What is sludge?
- Mucoprotein
- Calcium bilirubinate
- Cholesterol
12
What composes a single large gallstones?
Cholesterol
13
What causes the undulating pattern of gallbladder pain seen with gallstones?
1) CCK induced let down
2) Stone obstructs and then FALLS back
14
Where do gallstones commonly stick?
Common bile duct
15
What are the signs and symptoms of gallstones?
- RUQ pain
- Worse after eating (high fat food)
- Murphy's sign +
16
What are the clinical types of cholecystitis?
- Acute
- Chronic
- Ascending cholangitis
17
What are the signs of acute cholecystitis?
1) Unrelenting pain
2) Fever
3) RUQ pain
4) Ass. nausea and vomiting
18
What are the signs of chronic cholecystitis?
Intermittent pain and well between bouts
19
What is Ascending Cholangitis?
Infection of the small intestine ascending into the biliary tree
20
What is a calculous gallstones?
US positive stone
21
What is an acalculous stone?
US negative for stone but positive for:
- Thickened BW wall
- Fluid in GB fossa
22
What is a positive sonographic Murphy's Sign?
Murphy reproduced with US probe
23
What labs can be elevated in cholecystitis?
- Total bilurubin
- Lipase if obstruction leads to pancreatitis
24
How is cholecystitis treated?
1) NPO
2) Hydration
3) Pain control w/ Ketorolac
25
What warrants admission with cholecystitis?
1) Impacted stone
2) Septic
3) Unrelenting pain
4) Mimic or uncertain
26
What do you do if there is a negative US and clinical suspicion of gallstone?
HIDA
27
What is a HIDA scan?
Nuclear med. functional study of the hepatobillary tree
28
What are abnormal findings on a HIDA scan?
1) Non-filling i.e. obstruction
2) Non-emptying i.e. porcelain gallbladder
3) CCK sx.
29
What are some of the medical therapies for cholecystitis?
1) Ursodiol--decrease cholesterol absorption
2) ESWL shock waves
3) Contact dissolution
30
