Self Study 7 Flashcards

1
Q

systemic lupus erythemaosus (SLE)

A

chronic inflm disease, major ruematic disease, can affect any organ system

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2
Q

which sex has inc predominance in SLE (with ratios)

A

10-1, 30-1 in child bearing years

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3
Q

which races have inc in sle

A

african, hispanic, asian, aboriginal

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4
Q

et sle

A
idiopathic
genetic predispostion
imbal in sex hormones
UV light, food, infections agents
drugs
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5
Q

which genes show a genetic link in SLE

A

hla-dr and hla-dq loci in MHC class II

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6
Q

which group of people has inc in genetic presdisopstion to sle

A

identical twins

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7
Q

which sex hormone imbal may cause sle

A

E

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8
Q

what drugs may cause sle

A

hydralazine

procainmaide

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9
Q

what is there inc prod of in SLE

A

Ab’s against self and non self ags

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10
Q

what type of cells are hyper active in SLE

A

B cells

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11
Q

what happens with an inc in Abs and B cell hyperactivity

A

direct damage to tissues or combine with other ags to form tissue damaging IC

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12
Q

what autoantibodies occur in SLE

A

antinucleur antibodies (ANA), antiDNA

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13
Q

what do androgens protect agains in Sle

A

estrogen favour development

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14
Q

what happens when esterogen favour dev occurs

A

imbalance

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15
Q

inc response in waht causes autoabs form

A

H imbal causes inc response from helper T cells

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16
Q

dec response of what causes autoabs to form

A

H imbal causes dec suppressor t cell

17
Q

MS mnfts of sle

A

arthralgias and arthritis. eventual l/o fx of han

rupture of intrapatellar and achilles tendons

18
Q

skin mnfts of sle

A

butterfly rash on nose and cheeks, fingertip lesions, nailfold infarct, splinter hemmorhage, hair loss, mucous memb lesions, sun sensitivty

19
Q

what type of fingertip lesions form in sle

A

periungal erythema

20
Q

renal mfnts of sle

A

glomerulonephritis, interstital nephritis, nephrotic sydrome

21
Q

what may neprotic syndrome lead to

A

edema in legs, abd, face, RF

22
Q

pulm mnfts of sle

A

pleural effusion, pleuritis, acute pneumonitis, pulm hemmr, chronic interstital lung disease
pulm embolism

23
Q

CV mnfts of sle

A

pericarditis with pleural effusion, cardiac tamponade, congenital heart block in infants (mom has SLE), secondary HD, htn, ischemic HD, valvular lesions with ineffective endocarditis

24
Q

CNS mfnts of sle

A

stroke, hemmorhage, IR that releases antineuronal Abs
seizures
depression and euphoria, dec cognition, altered LOC

25
why may stroke or hemmor occur as a cns mnft of sle
acute vasculitis
26
what do antinueronal abs attack
nerves, damage blood vessels
27
hematologic mfnts of sle
hemolytic anemia, leukopneia, lymphopenia, thrombocytopenia, plaque like lesions on head, scalp, neck
28
dx for sle
immunofloresence test for ANA. positive ana result may indicate disease. antiDNA ab pressence
29
tx for sle
manage acute and chronic symtoms | prevent l/o organ fx, dec disability, prevent comps
30
what meds may be used to tx sle 5
``` nsaids antimalarial drugs corticosteroids immunosuppresives cyclosphamide ```