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ObjectivesTo determine the effect of different ultrasound machine–probe combinations on nuchal translucency (NT) measurements and to assess how this impacts on the accuracy of the NT‐derived component of first‐trimester screening for trisomy 21.
MethodsSixteen different ultrasound machine–probe combinations were used for axial measurement of 2.0‐, 3.0‐ and 4.0‐mm spaced targets in an ultrasound phantom...
Target controlled infusion (TCI) devices can be associated with significant safety concerns when used during magnetic resonance imaging (MRI). We tested the safety and compatibility of newer TCI systems in a 3‐Tesla MRI environment. Two Asena PK and two Agilia TCI pumps were used to administer TCI propofol (at target blood concentrations of 0.5 and 6.0 μg.ml−1) using the Marsh model under magnetic...
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