Those residents who do not react to two-step PPD testing are immunologically naive to TB and susceptible to primary tuberculosis infection. Some may be anergic. THE BOOSTER PHENOMENON In persons who had initial infection and skin testing many years in the past, skin test reactivity may wane. ...
There are two key issues which need to be raised when dealing with the concept of homework. Firstly, there is the question of home. Often homework is not done at home at all, but at a friend's house, on the street, on the bus on the way to class or sitting o...
OUTPUT PRE-EMPHASIS The SN75LVCP412 provides single step pre-emphasis from 0 dB to 2.5 dB at each of its differential outputs. Pre-emphasis is controlled independently for each channel and is set by the control pins D0 and D1 as shown in Table 1. The pre-emphasis duration is 0.4 UI ...
Two-step ppd skin testing in patients infected with the human immunodeficiency virus (HIV)The recommendations suggested in this minireview must be regarded as tentative pending the performance of comparative studies. Until such studies are performed, however, the approaches suggested in this minireview...
Benefit of two-step PPD testing of new employees at a New York City hospital. Am J Infect Control 1997;25:283-6.Sepkowitz KA, Feldman J, Louther J, Rivera P, Villa N, DeHovitz J. Benefit of two-step PPD testing of new employees at a New York City hospital. Am J Infect Control...
The American Geriatrics Society statement on two-step PPD testing for nursing home patients on admission. J Am Geriatr Soc. 1988;36:77–8.Finucane T. - The American Geriatrics Society state- ment on two-step PPD testing for nursing home patients on admission. J Am Geriatr Soc 1988; 36: ...
Reduction of Unnecessary Treatment of Our New Employees who have a Positive Two-step PPDIntroduction/Objective: Recently the Masonic Village's occupational medicine department instituted the use of the QuantiFERON blood test to screen all positive PPDs of recently employed staff. Our goal was to ...
The first step of this process is the "elevation" of accessibility from the narrow interpretation range of disability to the space of complete existence in which all people move and travel, interpreting this space as a fundamental system element [2–4]. The authors' researches follow two paths...