The doctor orders pulse Oximetry for continuous monitoring of Mrs Jane Omekorani oxygen saturation.The nurse place patient on pulse oximetry as ordered. Which one of the following is appropriate for pulse Oximetry?.
A.Pulse oximetry can be used to substitute for the arterial blood gas analysis.
B.It is used to promote, protect and provide adequate respiration.
C.For the measurement of the saturation of venous blood.
D.It measures oxygen saturation levels of arterial blood gas. 94 to 98% is considered a normal oxygen saturation.
Correct answer is D.
Rationale: Pulse Oximetry is a noninvasive technique that measures the saturation of arterial blood gas. It is an adjunct therapy. It is affected by cigarette smoking and cannot be a replacement for the arterial blood gas analysis. It is portable and can be seated on patient side desk and connected to patient finger,ear ,nose,forehead ,toe,baby foot to monitor oxygen saturation levels. In most facilities if you need pulse Oximetry for your patient call respiratory department. Follow your facility policy and procedures.
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