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Abdomen > Lesson 2.1 > Flashcards

Lesson 2.1 Flashcards

1
Q

Biliary system compromised of

A

Intrahepatic bile ducts, GB and CBD

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2
Q

what controls the flow of bile in cystic duct

A

Valves of heister

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3
Q

What hormone is released when fat enters digestive system

A

Cholecystokinen

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4
Q

The gallbladder and cystic duct are supplied by

A

Cystic artery

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5
Q

Variants of GB

A

Duplication, multiseptated

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6
Q

Most common gallstone disease

A

Cholelithiasis

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7
Q

Risk factors of cholelithiasis (6)

A 
Older
Female
Increased estrogen 
Obesity 
Daibetes 
Pregnancy
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8
Q

Can cholelithiasis be asymptomatic

A

Yeas

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9
Q

What makes stones and bile highly reflective

A

The large difference in acoustic impedance

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10
Q

Rate of complications of cholelithiasis

A

1 in 5 people develop complications

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11
Q

Complications of cholelithiasis

A

Biliary colic

Acute cholecystitis

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12
Q

Sonographic appearance of cholelithiasis

A

Echogenic appearance with strong posterior acoustic shadowing

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13
Q

What is key feature of stones allowing differentiation from polyps

A

Mobility

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14
Q

What is the WES complex

A

Wall-Echo- Shadow

Apearance of stone from near feild

GB wall, echo of stones, shadow from stone

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15
Q

What is milk of calcium bile

A

GB is filled with semisolid calcium carbonate

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16
Q

What is milk of calcium bile caused by

A

Stasis —> bile remains in GB without being extracted

17
Q

What does biliary sludge appear as

A

Amorphous low-level echoes with no acoustic shadowing

18
Q

What helps differentiate biliary sludge from stones

A

No acoustic shadowing on sludge

19
Q

Vascularity in biliary sludge?

A

No

20
Q

What can mimic polyps

A

Tumefactive sludge (sludge balls )

21
Q

Predisposing factors of biliary sludge

A 
Pregnancy 
Rapid weight loss 
Prolonged fasting 
Critical illness
Long term parenteral nutrition (IV feeding) means stasis
Bone marrow transplant

Abdomen (20 decks)

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