Mantoux Flashcards
1
Q
Pathophysiology of Mantoux
A
Test site t cell proliferation- release inflammatory markers- celks recruit- increased permeability - in duration
2
Q
Procedure of Mantoux
A
1 to 5 tu tween 80 intradermal on anterior side of arm
48-72 hrs
Horizontal induration is measured
3
Q
How do u interpret mantoux
A
5mm- negative 5-9 mm - intermediate Consider positive in ic condition Contacts Xray lesion positive. Esrd 10- closed groups- prisoners Lab micro Recent immigrants from high prevalence area Infants, child <4
> 15- significant, infection, irrespective of bcg
4
Q
Uses of mantoux
A
Prevalence
Young children
5
Q
False positive
False negative
A
Prior bcg , tech , dose. Contaminated
Miliary , measles, hodgkins. Sarcoid , mal nutrition , immunosupression
Recent infection
