Emergency Care and Transportation of the Sick and Injured ...

(c) Since a pulse oximeter must be able to read a pulsatile capillary bed accurately: (1) Nail polish may need to be removed. (2) Cold extremities, peripheral perfusion, or patient movement can make the reading inaccurate. (d) If the pulse rate is displayed, the oxygen saturation reading should match the patient’s palpated heart rate. ................
................