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PPD 12mm, CXR shows fibrosis.. what is next step?
AFB or INH

same pt PD 12mm, CXR is negative.. what is next step?
INH or reassurance

depends on risk factors

he is rt...
risk facters..........

First Patient...Start therapy...fibrosis on cxr is considered high risk patient....
2nd patient....LAS n CHAUDH83.....Risk factors...

before that make sure PPD results compared with baseline test and depanding on age 35 less or more treat...