Electronic Device for Arterial Pulse Waveform Semiology
Keywords:
Arterial pulse waveform, semiology, operational amplifiers, electronic device.Abstract
The visualization of the arterial pulse waveform
has been a problem to clinical physicians because normally, the medic has to imagine the pulse from palpation. But in this work we provide a simple electronic device, designed and assembled
from elements such as operational amplifiers, resistances, and commercial capacitors, among others. We use analogic filters (active and passive), compensators, amplifiers, a common
fototransistor and a light emitting diode as sensor, which is in contact with a human arterial pulse palpation site (wrist or neck). In the results it is possible to see a clear signal from an arterial pulse waveform in an oscilloscope screen. Finally, remain in the future work to integrate a display to see the waveform in other devices, also to perform arterial pulse waveform semiology automatically.
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