Reactive arthritis

Question 1

Infection of which two organs can most commonly result in reactive arthritis?

Answer 1

dysentery- intestines

urethritis- urethra

Question 2

Two features of reactive arthritis presentation

Answer 2

 Asymmetrical lower limb oligoarthritis: esp. knee
 Iritis, conjunctivitis
 Keratoderma blenorrhagica: plaques on soles/palms
 Circinate balanitis: painless serpiginous penile ulceration
 Enthesitis
 Mouth ulcers

Question 3

Two investigations for reactive arthritis?

Answer 3

  ↑ESR, ↑CRP 
 HLA B27
  joint aspiration
  Stool culture if diarrhoea 
  Urine chlamydia PCR

Question 4

What is reactive arthritis?

Answer 4

joint pain and swelling triggered by infection in another part of the body e.g. intestines, urethritis, conjunctevitis, arthritis

Question 5

To which classification does reactive arthritis belong to?

Answer 5

seronegative spondyloarthropathies

Question 6

Name two organisms associated with reactive arthritis

Answer 6

enteric infections- salmonella, shigella, c.diff, campylobacter, and GU- N.gonorrhoea, chlamdyia

Question 7

Which triad may appear in reactive arthritis?

Answer 7

arthritis, conjunctivitis, urethritis

Question 8

Two extra-articular features of reactive arthritis?

Answer 8

conjunctivitis, prostatitis, cystitis, diarrhoea

Question 9

Name two triggers for reactive arthritis

Answer 9

gastroenteritis and STIs