Pulse oximetry is a non-invasive method for monitoring a patient's O2 saturation.
In its most common (transmissive) application mode, a sensor is placed on a thin part of the patient's body, usually a fingertip or earlobe, or in the case of an infant, across a foot. Light of two wavelengths is passed through the patient to a photodetector. The changing absorbance at each of the wavelengths is measured, allowing determination of the absorbances due to the pulsing arterial blood alone, excluding venous blood, skin, bone, muscle, fat, and (in most cases) nail polish.
- Dual color LED display
- Low perfusion: 0.2%
- Alarm value adjusted in friendly menu
- 6 display mode
- Big font display
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