What does Dr. Hal Nelson recommend as the optimal method to measure prick and ID inhalant testing results?


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Phil Lieberman, M.D.

We received a response from Dr. Harold Nelson which is copied below. Thank you again for your inquiry and we hope this response is helpful to you.

Phil Lieberman, M.D.

Response from Dr. Harold Nelson:
The best way to measure and record the results of skin testing is with the longest diameter and the greatest diameter at a right angle to the longest diameter.  For example a prick skin test wheal could be 9 X 4 mm. If it is desired to record both wheal and flare it may be less cumbersome, although somewhat less accurate, to just record the longest diameter of each, for example 4 / 16 mm.

Hal Nelson

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