Ph.D. Dr. Julian M. Stewart M.D.

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Invasive arterial monitoring alters autonomic tone. The effects of intravenous (IV) insertion are less clear. The author assessed the effects of IV insertion on autonomic activity in patients aged 11 to 19 years prior to head-up tilt by measuring heart rate, blood pressure, heart rate variability, blood pressure variability, and baroreceptor gain before and(More)
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