Clinical assesment

Question 1

Name 1 dermatogical symptom of TB?

Answer 1

Erythema Nodosum

Question 2

Name 5 signs and symptoms of TB?

Answer 2

1. Lethargy
2. Fever or night sweats
3. Weight loss
4. Haemoptysis
5. Lymphadenopathy

Question 3

What is the manotux test used for?

Answer 3

Checks for previous immune response to TB

1. previous vaccination
2. latent TB
3. active TB

Question 4

What is the Interferon-Gamma Release Assays used for?

Answer 4

Used in patients to confirm Latent TB; when

1. no features of active TB
2. Positive Mantoux test

Question 5

How is the ‘Mantoux test’ carried out?

Answer 5

1. Injecting tuberculin (tb protein not live) into the intradermal space on forearm.
2. Test is read after 72 hours

Question 6

How is IGRA test caried out?

Answer 6

1. sample of blood is mixed with antigens from TB bacteria
2. white blood cells if sensitised will release interferon gamma
3. This is considered positive

Question 7

How does primary TB present on CXR?

Answer 7

1. Patchy consolidation
2. Pleural effusion
3. Hilar lymphadenopathy

Question 8

How does desseminated miliary TB present on CXR?

Answer 8

‘millet seeds’ uniformly distributed across lung fields