نتایج جستجو برای: blood volume monitoring
تعداد نتایج: 1225358 فیلتر نتایج به سال:
Continuous Monitoring of Changes in Blood Volume and Limb Volume During Lower Body Negative Pressure
BACKGROUND In this paper a new non-invasive, operator-free, continuous ventricular stroke volume monitoring device (Hemodynamic Cardiac Profiler, HCP) is presented, that measures the average stroke volume (SV) for each period of 20 seconds, as well as ventricular volume-time curves for each cardiac cycle, using a new electric method (Ventricular Field Recognition) with six independent electrode...
Determination of circulating blood volume by continuously monitoring hematocrit during hemodialysis.
W ITH EXTENSIVE application of the Hamilton-Stewart dj'e-dilution technique for measurement of central blood volume (CBV), it has become apparent that the method may be insensitive to small but significant changes in volume. Reasons for this, presumably, rest with the rather large volume measured and the inherent errors of the technique. 1 Using a peripheral vein injection , the volume measured...
BACKGROUND Assessment of volume state is difficult in hemodialysis patients. Whether continuous blood volume monitoring can improve the assessment of volume state is unclear. STUDY DESIGN Diagnostic test study. SETTINGS & PARTICIPANTS Asymptomatic long-term hemodialysis patients (n = 150) in 4 university-affiliated hemodialysis units. INDEX TESTS Ultrafiltration rate (UFR) divided by post...
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