the liver Flashcards

1
Q

is the liver highly vascular?

A

yep

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2
Q

is the liver heavy

A

yep about 3lbs

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3
Q

how many lobes does the liver have

A

4

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4
Q

describe the ducts of the liver

A

hepatic duct + cystic duct = common bile duct

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5
Q

what are some functions of the liver

A
  • glucose metabolism
  • ammonia metabolism
  • protein metabolism
  • vitamin and iron storage
  • bile formation
  • bilirubin excretion
  • drug metabolism
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6
Q

in the older adult, the liver gets a little fucked, what can this lead to?

A

toxic buildup

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7
Q

whats ALT

A
  • helps break down proteins
  • process of turning food into energy
  • in liver cells
  • increased when damage to the liver happens
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8
Q

whats AST

A

found in many body tissues (mostly in liver muscles, heart, kidney, brain, and RBCs

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9
Q

whats serum bilirubin

A
  • made when Hgb broken down
  • turned into bile (conjugated)
  • too much = jaundice
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10
Q

whats ammonia

A
  • waste product of colon bacteria
  • processed by liver into urea and glutamine
  • without proper disposal, can cross blood brain barrier
  • ammonia is TOXIC to the brain
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11
Q

whats albumin

A
  • most abundant plasma protein
  • holds fluid in the bloodstream (leads to thridspacing and ascites if low)
  • carries hormones, vitamins, and enxymes
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12
Q

whats normal goal cholesterol

A

below 200

want more HDL and less LDL

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13
Q

whats alkaline phosphatase

A
  • measure of billiary tract obstruction
  • can indicate gallbladder issues
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14
Q

what are some causes of hepatitis A

A

Hepatitis A Virus (HAV)
Contaminated food / water
Close contact with person / infected object

FECAL ORAL

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15
Q

whats happening with hep A

A

Virus attacking liver cells (inflammation)
Often self-limiting, rarely chronic

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16
Q

how will the client with hep A present

A

Asymptomatic
Flu-Like sx
N/V, Anorexia
Fatigue
Low-grade fever
Abdominal pain (typically RUQ)
Clay-colored stools and or dark urine
Jaundice
Pruritis

17
Q

what are some labs/diagnostics for hep A

A

LFTs (AST / ALT)
CT / Ultrasound
HAV antibodies

18
Q

what are some acute interventions for hep A

A

rest and hydration

19
Q

whats a complication of hep A

A

rarely acute liver failure

20
Q

what meds can help with hep A

A

antiemetics (ondansetron)

21
Q

describe nursing focus and education for hep A

A

Self-limiting
Rest, Hydration, Light diet w/ frequent meals (small)
Discuss transmission
Wash hands!
HAV vaccine
Havrix & Vaqta (need 2 doses)
Avoid alcohol
Watch OTC meds (Tylenol)

22
Q

what are some causes of hep B

A

Hepatitis B Virus (HBV)
Transmission from blood / semen / bodily fluids
Can be Acute or Chronic

23
Q

whats happening with hep B

A

virus attacks liver cells

24
Q

how will a client with hep B present

A

2 weeks up to 1-4 months post transmission
Flu-Like sx
N/V, Anorexia
Fatigue, Weakness
Low-grade fever
Abdominal pain (typically RUQ)
Dark urine
Jaundice
Joint pain

25
Q

what are some labs/diagnostics for hep B

A

LFTs (AST / ALT)
CT / Ultrasound
HBV antibodies
Liver Biopsy

26
Q

what are some acute interventions for hep B

A

Rest
Nutrition / Fluids
Antivirals (chronic flare-up)

27
Q

what are some complications of hep B

A

Cirrhosis
Liver Failure / Liver CA
Kidney / Vascular issues
Portal HTN -> esophageal varices

28
Q

describe nursing focus and education for hep B

A

Vaccinate!
Can fully recover (>90%)
Discuss liver transplant options (chronic)
Keep liver happy = avoid alcohol and certain meds during flare-ups
Nurse = Wear gloves = ALWAYS
Discuss how to prevent transmission
Nurse safety

29
Q

what are some causes of cirrhosis

A
  • liver diseases (hep and alcoholism)
  • chronic obesity
  • certain meds (methotrexate and isoniazid)
30
Q

whats happening with cirrhosis

A

Later stage of scarring of liver

Liver can only regenerate for so long

Scar tissues to portal areas

Biliary duct obstruction

Hepatocytes to fat to scarred

31
Q

how will the client with cirrhosis present

A

Fatigue

Easily bleeding / ecchymosis

Nausea and anorexia

Edema to legs, feet, ankles, and abdomen (ascites)

Weight loss

Jaundice

Confusion, drowsiness, slurred speech

Late finding = GI varices and Caput Medusa

32
Q

how can nurses help with cirrhosis

A
  • Vitamin replacement (banana bags)
  • Assess for esophageal varices
  • Pain control
  • Monitor for mental deterioration
  • Educate on drinking cessation
  • Complications of immobility
  • Falls risk!
  • Bleeding risk!
  • Discuss how to protect against Hepatitis
  • Liver transplant
33
Q

what are some labs and diagnostics for cirrhosis

A
  • LFT
  • INR, BMP
  • MRI, CT, US
  • biopsy
34
Q

what are some acute interventions for cirrhosis

A
  • pain control
  • nutrition replacement
  • complication control (varices)
35
Q

what are some complications of cirrhosis

A
  • portal HTN
  • bleeding
  • splenomegaly
  • edema
  • malnutrition
  • hepatic enchalopathy
36
Q

what are some meds that can help with cirrhosis

A
  • meds for hep B and C
  • antibiotics for infection
  • BP medication to control portal (really needs to be controlled)
  • K sparing diuretics
  • lactulose: binds to ammonia so you shit it out, can lead to falls, dehydration, and fatigue
  • antifibrotic meds (colchicine, ACEs, statins, immunosuppressants): prevent scarring