SLE Flashcards

1
Q

do M or F get more SLE?

A

F

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2
Q

what are the two HLA genes that contribute to lupus?

A

prob HLA DR2 and 3

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3
Q

what t cells increase in SLE?

A

T2 and T17

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4
Q

what happens to B cells in SLE?

A

defective signaling and autoantibody production

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5
Q

what are C3/C4 levels in SLE?

A

commonly lower

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6
Q

what is the hallmark ab in SLE?

A

antinuclear antibodies

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7
Q

are anti nuclear abs sensitive or specific?

A

only sensitive

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8
Q

what is most reliable way to test for ANA?

A

IF

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9
Q

aside from ANA, what are other abs for SLE?

A

anti ds DNA and anti smith

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10
Q

what is test for finding anti ds DNA/

A

crithidia lucilae IF

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11
Q

when do autoantibodies show up in SLE?

A

often prior to onset

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12
Q

what are the three phases of SLE disease?

A

initiation
amplification and perpetuation
irreversible damage

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13
Q

what are signs of SLE flares? (4)

A

complement consumption
rising anti ds DNA titers
increased ESR
new lymphopenia

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14
Q

what are non specific symptoms of SLE?

A

fatigue, pain, memory, depression

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15
Q

what are consititutional symptoms of SLE?

A
malaise
fatigue
fever
myalgia
anorexia/weight loss
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16
Q

what can occur in oral area with SLE?

A

oral ulcers

17
Q

what is skin sensitive to in SLE?

A

photosensitivity

18
Q

what are two rashes of lupus?

A

malar rash…discoid lupus

19
Q

what phenomenon can be found in SLE?

A

raynauds

20
Q

what is most common msk finding in SLE?

A

arthralgia…symmetric inflammatory arthritis

21
Q

what can happen to muscles in SLE?

A

inflammatory myopathy or fibromyalgia

22
Q

what is elevates in inflammatory myopathy in SLE?

A

CPK/aldolase

23
Q

what can happen to bone in SLE?

A

avascular necrosis

24
Q

when is major risk of a CVA in SLE?

A

in first five years of disease

25
Q

are CVA accidents in SLE ischemic or hemorrhagic?

A

usually ischemic

26
Q

what is the leukopenia associated with SLE?

A

lymphopenia

27
Q

what anemias can you have in SLE?

A

anemia of chronic disease
iron deficiency anemia
autoimune hemolytic anemia

28
Q

what can happen to platelets in SLE?

A

thrombocytopenia

29
Q

what is antiphospholipid syndrome?

A

autoantibodies to anionic phospholipids (cardiolipin) and their protein binding complexes

30
Q

what is the main clinical manifestation of antiphospholipid syndrome?

A

thromboses

31
Q

what type of thromboses occur in antiphospholipid syndrome?

A

arterial venous and pregnancy losses

32
Q

what is the test for antiphospholipid syndrome?

A

russel viper venom time

33
Q

what are the three abs in antiphospholipid syndrome?

A

anticardiolipin
anti B2 glycoprotein
lupus anticoagulant

34
Q

what layer of heart can be affected in SLE?

A

any layer

35
Q

what is most common layer of heart involved in SLE?

A

pericardium

36
Q

what two malignancies are increased risk in SLE?

A

hodkins lymphoma and lung cancer

37
Q

what are the three leading causes of mortality in SLE?

A

heart disease
malignancy
infection

38
Q

what is the antimalarial most patients are on with SLE?

A

hydroxyshloroquine

39
Q

what is the effect of hydroxychloroquine on SLE?

A

antgonist to TLR 3789 and decreases activation of innate immune system specifically plasmcytic dendritic cells