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c. During cardiopulmonary resuscitation.
d. When the patient is hypovolemic.
e. For assessing the adequacy of ventilatory support.
f. For detecting worsening lung function in patients on a high concentration of oxygen.
1.5 Clinical indications
The Pulse Oximeter can be used in measuring the pulse oxygen saturation and pulse rate
through finger.
2. Principle
Principle of the Oximeter is as follows: An experience formula of data process is estab-
lished taking use of Lambert Beer Law according to Spectrum Absorption Characteristics
of Reductive Hemoglobin (Hb) and Oxyhemoglobin (HbO
Operation principle of the device is: Photoelectric Oxyhemoglobin Inspection Technology
Figure 1 Operating principle
) in glow & near-infrared zones.
2
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