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ECG Prototype 1 Posted by: olpcgoldenstate
Video duration: 41 seconds 3 electrode approach. 1kHz down-sampling. 1 pixel span per sample waveform display. Related: olpc |
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IR Plethysmograph Posted by: olpcgoldenstate
Video duration: 46 seconds Plethysmograph is an infrared photoelectric sensor used to record changes in pulsatile blood flow from the finger. The Plethysmograph operates by recording changes in blood volume as the arterial pulse expands and contracts the microvasculature. Related: medicine, olpc, xo |
