12.07.2015 Views

Domiciliary Oxygen Therapy by Dr. Saman Kularathne

Domiciliary Oxygen Therapy by Dr. Saman Kularathne

Domiciliary Oxygen Therapy by Dr. Saman Kularathne

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Pulse Oximetry• Non-invasive - estimates the O2 saturation of Hgb(SaO2)• monitor % of haemoglobin that is saturated withoxygen.• oxygenated haemoglobin is a different colourfrom deoxygenated haemoglobin.• Selects out pulsatile flow.• Accurate above a saturation of 70%.• May be used continuously or intermittently• Must correlate values with physical assessmentfindings• Normal SaO2 values – 95 to 100%

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