Vital Signs: Oxygen Saturation (Pulse Oximetry) a. What does “oxygen saturation” mean. b. What is acceptable...
Vital Signs: Oxygen Saturation (Pulse Oximetry)
a. What does “oxygen saturation” mean.
b. What is acceptable range for oxygen saturation.
c. List 5 factors that affect accurate interpretation of Pulse
Oxygen Saturation (Sp02).
Homework Answers
a.Oxygen saturation refers to the amount of oxygen present in the blood.In simple it is determined by the presence of the amount of hemoglobin which acts as a binding site to attach oxygen on it.
b.The normal ranges is from 95% to 100%.It is acceptable when the oxygen saturation is above 90% A level lesser than that needs oxygen administration.
c.The factors which can affect the accurate interpretation of pulse oxygen saturation are
- Wet or moist fingers can give wring reading ,because a moist area can happen due to poor blood supply
- Severe hypotension
- Peripheral vasoconstriction
- Presence of nail paint in the fingers
- Will give an abnormal re add ing during a cardiac arrest
- Fault in the technical device
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