n.血氧(定量)计,光电血氧计,血氧定量计
Identify factors likely to interfere with accuracy of pulse oximeter.
确认可能影响脉氧仪精确度的各种因素.
Is the pulse oximeter on the patient and functioning?
患者是否有既往过敏史?
Turn on oximeter by activating power.
打开电源,接通血氧计.