Liver, Gallbladder, Pancreas Flashcards

1
Q

Portal triad

A

Hepatic portal vein (80%)
Hepatic artery (20%)
Bile duct
Lymphatic vessel

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2
Q

Bridging fibrosis

A

Fibrous tissue made in response to inflammation. Fibrous strands link w liver

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3
Q

Labs for hepatocyte integrity

A

AST, ALT

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4
Q

Labs for biliary tract integrity

A
Alk phos (also in bones)
GGT- specific for biliary tract
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5
Q

Hepatocytes function test

A

Serum albumin, serum ammonia, PT

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6
Q

Consequences of hepatic dysfunction: 12

A

Jaundice, cholestasis, hypoalbuminemia, hyperammonemia, hypoglycemia, fetor hepaticus, hypogonadism, gynecomastia, palmar erythema, spider angiomas, wt loss, muscle wasting

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7
Q

Hepatic portal hypertension in liver disease leads to: 5

A

Ascites, esophageal varicies, hemorrhoids, caput medusae, splenomegaly

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8
Q

Liver disease
Life threatening complic
6

A

Mult organ failure, coagulopathy, hepatic encephalopathy, hepatorenal syndrome, esophageal varicies rupture, hepatocellular carcinoma

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9
Q

Causes of jaundice 5

A

Excess bilirubin production, reduced hepatic uptake, impaired conjugation, decreased hepatocellular excretion, impaired bile flow

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10
Q

Which causes of jaundice result in increased unconjugated bill

A

Excess production, reduced uptake, imp conjugation

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11
Q

Process of increased unconjugated bilirubin

A

Insol in water, bound to albumin, not excreted in kidney. Unbound plasma fraction diffuses into tissue, produces toxic injury, inc in hemolytic dis of newborn, can cause neuro damage

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12
Q

What leads to inc in conjugated bilirubin

A

Decreased hepatocellular excretion, impaired bile flow

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13
Q

Process of inc conjugated bilirubin

A

Soluble in water, weakly bound to albumin, excreted by kidney. Dark urine.

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14
Q

Cholestasis

A

Hepatocytes get occlusion in bile duct, leads to hepatocyte death

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15
Q

Hepatic failure
% func lost
Special problems

A

80-90%

Hepatic encephalopathy and hepatorenal syndrome

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16
Q

Cirrhosis does what to liver and causes what

A

Imp BF thru it, hepatic portal htn. Leads to ascites, portosystemic shunts (varicies, hemorrhoids, medusae), splenomegaly

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17
Q

HAV and HEV similarities 7

A

Self limiting, 2-8 wk incubation, no carrier state or chronic state, no cancer, oral trans, not in US

18
Q

Hep B, C, D 5 traits

A

Carrier states, chronic, can cause cancer, parenteral transmission, in US

19
Q

Alcoholic liver disease

A

Progression from hepatic steatosis, to alcoholic hepatitis, to cirrhosis

20
Q

Hemochromatosis

5 traits

A

Uncontrolled iron uptake.males mainly. Autosomal recessive, heterozygous carriers 10%. Appear late, in 50s.

21
Q

Problems in fully developed hemochromatosis

A

Cirrhosis in all, DM and skin pigmentation most

22
Q

Secondary iron overload diseases

A

Transfusions (each gives .25g iron)

Ineffective erythropoietin in b thalassemia and sideroblastic anemia

23
Q

Secondary biliary cirrhosis
Obstruction of
4 causes

A

Extrahepatic biliary tract

Gallstones, biliary atresia, malig of biliary tree or pancreas, strictures from surgery

24
Q

Primary biliary cirrhosis
Destruc of
Elev: 4
Often __

A

Intrahepatic bile ducts.
Alk phos, cholesterol, hyperbilirubinemia late in disease, AMA
Fatal

25
Q
Primary sclerosing cholangitis 
Where it affects 
Assoc with 
Elev: 
Without:
A

Intrahepatic and extrahepatic bile ducts
UC
Alkaline phosphatase
AMA

26
Q

Hepatic vein outflow obstruction

Causes

A

Hepatic vein thrombosis (budd chiari) or veno occlusive disease. High pressure in IVC or RA

27
Q

Hepatic vein outflow obstruction

Manifestations

A

Ascites
Hepatomegaly*
Abd pain, elev transaminases, jaundice

28
Q

Impaired intrahepatic blood flow

Causes

A

Cirrhosis*, sinusoid occlusion, systemic circulatory compromise

29
Q

Impaired intrahepatic bf

Manifestations

A

Ascites (cirrhosis)
Esophageal varicies (cirrhosis)
Elev transaminases

30
Q

Impaired portal vein inflow cause

A

Obstruction by thrombosis or tumor

31
Q

Impaired portal vein inflow

Manifestations

A

Ascites, esophageal varicies, splenomegaly, intestinal congestion

32
Q

Impaired hepatic artery inflow

Cause

A

Complications of transplant (hooking up ducts and vasculature)

33
Q

Impaired hepatic artery inflow

Manifestations

A

Ischemia to bile ducts and parenchyma. Potential graft loss

34
Q

Hepatocellular carcinoma
Arise from:
Causes: 5
Mean survival

A

Hepatocytes
HBV, chronic liver disease (etoh or HCV), aflatoxin, tyrosinemia, cirrhosis
7 months

35
Q

Risk factors for cholesterol gall stones, incidence in us

A

80%

Fair (Indians 75%), forty (inc w age), female, fertile, fat, gallbladder stasis, hyperlipidemia

36
Q

Risk factors for pigment stones and incidence

A

20%

Chronic hemolytic syndromes, biliary infections, GI disorders (crohns), Asian > wester

37
Q

Choledocholithiasis

What happens

A

Gallstone movement, blocks cystic duct or common bile duct

38
Q

Choledocholithiasis

Problems assoc: 6

A

Biliary obstruction, pancreatitis, cholangitis, hepatic access, chronic liver disease w biliary cirrhosis, acute calculus cholecystitis

39
Q

Acute pancreatitis
Pneumonic/causes
I GET S

A

Idiopathic, gallstone, ethanol, trauma, steroidS

40
Q

Acute pancreatitis

MASHED

A

M (mumps, ebv, CMv), a (autoimmmune dis), scorpion sting, hypercalcemia/lipidemia/hypothermia, ercp, drugs