نتایج جستجو برای: pressure measurement
تعداد نتایج: 815096 فیلتر نتایج به سال:
In the search for more accurate ways to determine intraocular pressure, the Halberg applanation tonometer may represent an alternative to the Schi0tz tonometer for routine screening pressure measurements. Although between 100 to 150 measurements are generally required to gain proficiency with the Halberg, the instrument is accurate in patients with normal corneas even with very abnormal scleral...
Extensive testing, at pressure "'evels from 3U to 758 MPa (5,000 to 110,000 PSI) was done at Aberdeen Proving Ground to evaluate 15 different types of electrical pressure transducers used in large caliber weapons. When using a given tvoe of transducer, the ability to consistently distinguish dynamic pressure variations as small as 0.2% was demonstrated. Yet different models of pressure transduc...
Background & Aim: The central venous pressure measurement is a common and important care provided by nurses in intensive units. The measurement should be according to the pre-defined standards. The purpose of this study was to evaluate the effect of using a checklist in measuring central venous pressure by nurses . Methods & Materials: This was a nonequivalent group design on 70 nurses w...
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