The pulse oximeter provides a noninvasive, continuous, and generally valid measure of SaO2. Armed with a basic understanding of its operating principles and limitations, and the proper interpretation of SaO2, the emergency physician will find the pulse oximeter to be a useful instrument for the ...
Pulse Oximetry A more common, non-invasive method is pulse oximetry. This process uses a pulse oximeter, a small device clipped onto an external body part like the finger, earlobe or toe. The device employs ultraviolet light to measure the oxygen in the capillaries, providing results quickly an...
The A(rms) statistic does not have the capacity to represent all pulse oximeter behavior. Saturation pop-ups, drop-downs, frozen readings, and periods of no reading are not portrayed by the A(rms). The next steps in the advancement of regulatory validation testing would be to develop ...
smartwatch displays will inevitably have a much larger minimum viewing distance because no one is going to hold a smartwatch close to the eye unlike a smartphone, which could be used for reading in bed or VR which effectively holds the display ...