7 doctors weighed in:

Positive PPD reading if red?

7 doctors weighed in
Dr. Heidi Fowler
Psychiatry
4 doctors agree

In brief: Agree w Dr. Khanna

See: http://www.
cdc.gov/tb/publications/Posters/images/Mantoux_wallchart.PDF

In brief: Agree w Dr. Khanna

See: http://www.
cdc.gov/tb/publications/Posters/images/Mantoux_wallchart.PDF
Dr. Heidi Fowler
Dr. Heidi Fowler
Thank
Dr. Yash Khanna
Family Medicine
2 doctors agree

In brief: Ppd reading red?

No redness does not mean it is positive.
You feel the induration in mms to interpret it after 48 to 72 hours.5mm or more is positive in HIV posotive person, in someone with recent exposure to tb, with nodular or fibrotic changes on xray consistant with healed TB and patients with organ transplant and immunocompromised 10mm or more +in recent arrivals from high prevalace ares nursing homes 15mm + in.

In brief: Ppd reading red?

No redness does not mean it is positive.
You feel the induration in mms to interpret it after 48 to 72 hours.5mm or more is positive in HIV posotive person, in someone with recent exposure to tb, with nodular or fibrotic changes on xray consistant with healed TB and patients with organ transplant and immunocompromised 10mm or more +in recent arrivals from high prevalace ares nursing homes 15mm + in.
Dr. Yash Khanna
Dr. Yash Khanna
Thank
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