TB 3 - Ix

Question 1

if pt has suspected active pulm TB

• ? samples - take at least ? including one ? sample
• -?- for ? fast bacilli, results within ?h
• -?-if rapid Dx results are required or suspected ?-TB (however this will not differentiate between ? and ? TB)
• -?-gold standard Dx test, but takes ? weeks, on ?-? medium

Answer 1

sputum
3
morning
microscopy
acid
24
PCR
MDR
active and latent
culture
6
lowenstein-jensen

Question 2

• if ? samples negative -> ? with ? or broncho-alveolar ? may be useful
• CXR - ? ? cavitation, pleural ?, ?
• Ix for ? disease as clinically indicated

Answer 2

sputum
bronchoscopy 
biopsy
lavage
upper lobe
effusions
LNpathy
extrapulm

Question 3

To Ix for ? TB eg contract tracing
-> ? test - TB antigen ?, size of ? reaction measured

> ?mm are considered positive in ? individuals, those with ? TB or recent ?
?mm are positive for those with ? ? for TB
?mm is pos for ?

Answer 3

latent
mantoux
injected
wheal/urticaria
5
immsupp
recent
contacts
10
RFs
15
anyone

Question 4

To Ix for ? TB eg contract tracing

• > ?-? ? assay - ? test also req to Dx latent TB in ? individuals, as they can have ? ? in the skin tests
• ? results should lead to active assessment of ? TB and if no evidence trt for ? TB
• Always do standard ? as well to r/o other causes/as a ? - considering likely therapy
• ? pt diagnosed with TB should be offered ? for ? and Hep ?/? before starting trt

Answer 4

latent
interferon gamma release
immcomp
false neg
pos
active
latent
bloods
baseline
every
screening
HIB
B/C