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Hemodynamic monitoring provides vital information for diagnosing and treating patients in acute clinical settings. A method is investigated to non-invasively monitor changes in the hemodynamic state. The approach utilizes short-axis ultrasound color flow imaging and processing methods to produce simultaneous waveforms for the arterial area and flow. Beat-to-beat measurements of the mean area, peak...
One of the chief factors, incriminated for the formation of intimal hyperplasia at the venous side of an arteriovenous shunt (AVS), is the disturbed hemodynamic condition in that region. Owing to the difficulty of properly measuring the local flow field in AVS, numerical computation has been extensively used for its assessment. The purpose of this study was to examine the flow field in AVS with computational...
In this communication, we estimated the Lempel-Ziv complexity (LZC) on over 40 h of arterial blood pressure (ABP) recordings corresponding to 18 mechanically ventilated animal subjects. In this study, all subjects underwent a period of abrupt hemodynamic changes after an induced injury involving severe blood loss leading to hemorrhagic shock, followed by fluid resuscitation using either lactated ringers...
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