Flow Restriction Principle approach to noninvasive arterial blood pressure determination

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Flow Restriction Principle approach to noninvasive arterial blood pressure determination -- a method for highly accurate waveform recording.

For Illustration of Principle, click here (JavaScript enabled Internet Explorer only)

The interactive animated illustration of this method is using a complex mathematical model. For this to function, Javascript must be enabled. For some reason it does not work with the FireFox Browser.

The Flow Restriction Principle for accurate recording of the blood pressure waveform was first described in 1981:

Aaslid R, Brubakk AO. Accuracy of an ultrasound Doppler servo method for noninvasive determination of instantaneous and mean arterial blood pressure. Circulation. 1981;64:753-9 Abstract Full text

Conventional Ultrasound Doppler Method for Systolic Blood Pressure Determination

The animated simulation of this method is found here. Note that Internet Explorer 5.5 (or newer) with JavaScript enabled is required.

Updated April, 2008