SLE Flashcards

1
Q

Definition of SLE

A

A generalised connective tissue disorder affecting many organs and characterized by the production of many auto-antibodies, notably those against dsDNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Between which ages is SLE most common?

A

15-25

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Why does the incidence of SLE seem to be increasing?

A
  • more sensitive tests

- milder cases being recognised

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Aetiology of SLE

A
  • genetic (HLA DR3)
  • infective
  • hormonal
  • immunological abberation
  • drugs (hydrallazine, procainamide)
  • breast augmentation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Precipitating factors of SLE

A
  • sun-exposure
  • emotional/physical trauma
  • infection
  • drugs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Pathogenesis of SLE

A

Immune complexes form locally or in circulation

  • complement consumption
  • release of inflammatory mediators increases inflammatory response increases vasculitis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

11 Criteria for classification of SLE

A
  • malar rash
  • discoid rash
  • photosensitivity
  • oral ulcers
  • arthritis
  • serositis
  • renal disorder
  • neurologic disorder
  • haematologic disorder
  • immunological disorder
  • antinuclear antibodies
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Skin manifestations of SLE

A
  • butterfly rash
  • discoid lupus
  • photosensitivity
  • muscosal ulceration
  • Raynaud’s phenomenon
  • vasculitis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Musculoskeletal manifetations of SLE

A
  • arthralgia
  • arthritis
  • tendon rupture
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Respiratory manifestations of SLE

A
  • pleurisy/effusion
  • basal atelectasis
  • restrictive lung disease
  • alveolitis
  • disappearing lungs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

CVS manifestations of SLE

A
  • pericarditis
  • myocarditis
  • Libman-Sacks endocarditis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Renal manifestations of SLE

A
  • haematuria
  • nephritis
  • nephrotic syndrome
  • renal failure
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Cerebral manifestations of SLE

A
  • psychiatric

- neurological

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Haematological manifestations of SLE

A
  • thrombocytopenia
  • haemolytic anaemia
  • leucopenia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Constitutional symptoms of SLE

A
  • weight loss
  • malaise
  • fever
  • unexplained oedema
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Causes of disease in SLE

A
  • cerebral
  • renal
  • infection
17
Q

Treatment of SLE

A
  • topical corticosteroids
  • NSAIDS
  • chloroquine
  • systemic steroids
  • immunosuppressives
  • plasmapheresis
18
Q

What is Mixed Connective Tissue Disease or Undifferentiated Connective Tissue Disease

A

A syndrome in which there are features of RA, SLE, PSS, dermatomyositis and high titres of anti-RNP antibodies

19
Q

Tests that are positive at diagnosis of SLE

A
  • LE cells
  • ANF
  • anti-DNA antibodies
  • antineuronal antibodies
  • extractible nuclear antigens
20
Q

Tests that are positive during SLE activity

A
  • total haemolytic complement
  • C3, C4
  • anti-DNA antibody
  • immune complexes
  • antineuronal antibodies