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What does this mean H/O (history of) + (+ is circled) ppd

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I got as far as Does not act + to purified protein derivatives. What does this mean?

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Isn't positive PPD the tuberculosis skin test?

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Specializes in NICU Level III.
Isn't positive PPD the tuberculosis skin test?

Yes it is.

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Thanks all, Jen

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Specializes in med/surg, telemetry, IV therapy, mgmt.

H/O + (+ is circled) ppd means "history of positive PPD". It means the patient has had a PPD test in the past and the results were positive. The patient should not be given another PPD test because he will have a positive reaction again. PPD test is a skin screening test for tuberculosis.

http://www.medicinenet.com/tuberculosis_skin_test_ppd_skin_test/article.htm

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