Seeing an operating theatre is a scary moment and this effect is intensified with the sound of all those machines such as the fingertip pulse oximeter, among others. A fingertip pulse oximeter can detect hypoxia before a patient shows signs of becoming cyanotic (bluish discoloration of the skin and mucous membranes due to not enough oxygen in the blood). For this reason, fingertip pulse oximeters may be used in all manner of situations but are of particular value for monitoring a patient...


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