ID: Viral Arthropathies

Question 1

What is the most common vector of the Dengue virus?

Answer 1

Aedes aegypti.

Question 2

What are the three most common viral causes of arthropathy?

Answer 2

1. Arbovirus.
2. Parvovirus.
3. Rubella virus.

Question 3

List three alphaviruses commonly associated with arthropathy?

Answer 3

• RRV.
• BFV.
• Chikungunya.

Question 4

List the two most common flaviviruses.

Answer 4

• Dengue.
• Zika.

Question 5

• How many joints are affected in oligoarthritis?
• How many in polyarthritis.
• Bacterial arthritis usually falls under which category? (I.e. how many joints are affected?).

Answer 5

• 2-4 joints.
• >4 joints.
• Monoarthritis.

Question 6

Specify the difference between arthralgia and arthritis.

• What is an arthropathy?

Answer 6

• Arthralgia is the symptom of joint pain.
• Arthritis is the disease, not the symptom.
• Arthropathy = something wrong with the joints (covers arthralgia and arthritis).

Question 7

• What condition is this?
• How does it differentiate from measles?

Answer 7

• Rubella.
• Measles is characterised by a very dark, red, coalescing rash.
  
  • Rubella doesn’t coalesce, and it isn’t as dark.

Question 8

What condition is this?

• What is the underlying virus?

Answer 8

Erythema infectiosum (fifth disease)

• Parvovirus.