Recording Arterial Pulse Curves with Ultrasound. — Experimental Investigations and Diagnostic Possibilities
The registration of arterial pulse curves with conventional pulse detectors is possible only with certain superficially situated segments of arteries: The pulse detector is dependent on direct mechanical transmission of the pressure wave to the receiver (mechanical-optical or mechanical-electrical transducer). We have described a new method of recording arterial pulse curves by ultrasound, whereby pulse curves can also be recorded from more deeply situated arterial sections. In the meantime, the early methods (Freund, 1965; Freund and Kapp, 1966) have been improved and methodically developed. The advantage of this procedure is that in principle all arteries are accessible to pulse curve recordings. Disadvantages are the susceptibility to interference by movements and the danger of confusion with other immediately adjacent arteries.
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