when use the spo2 sensor to test the pulse will happened some problems

when use the spo2 sensor to test the pulse will happened some problems

1,Oxygen saturation is rapidly changing, and signal strength may fluctuate due to excessive movement of the patient or interference with operational performance due to surgical devices.

2,The oxygen saturation shows that the spo2 sensor is off

when the spo2 sensor is offer how to solve this problem

A,the spo2 spo2 put the right position and working well should pay attention to the connection is good or not , the most common clinical situation that the liquid splashed into the sensor joints;

B,when open the patient monitor ,spo2 sensor issued a dark red or red light and flashing uncertain.but the spo2 sensor is working well,