Reactive arthritis Flashcards
1
Q
Define reactive arthritis
A
characterised by a sterile arthritis occurring after an extra-articular infection (commonly GI or urogenital).
2
Q
what is reiters syndrome?
A
o Reactive arthritis
o Urethritis
o Conjunctivitis
3
Q
which allele is reative arthritis associated with?
A
• HLA-B27
4
Q
time scale of symptoms?
A
- Symptoms typically develop 4 weeks after initial infection
- Symptoms last for 4-6 months
5
Q
main presenting symptoms?
A
- Asymmetrical arthritis of lower limbs
- Dysuria
- Conjunctivitis
- Painful heels
6
Q
what are the main signs on examination?
A
- Signs of Arthritis
- Signs of Conjunctivitis
- Oral Ulceration
- Circinate Balanitis
- Keratoderma Blenorrhagica
7
Q
what will joint aspiration show?
A
- no culture
- organism cannot be recovered from the joint
8
Q
what other investigations might be useful?
A
• Urine o Screen for Chlamydia trachomatis • Bloods o FBC o High ESR and CRP o HLA-B27 testing
