More health inequality: Black people are 3 times more likely to experience  pulse oximeter errors

The pulse oxymeter is an electronic device that measures the oxygen saturation carried in your red blood cells. You can expect simple, quick and safe measure of oxygen saturation in your body. There is no needle or pain involved in pulse oxymeter.
 

The pulse oxymeter is an electronic device that uses a cold light source that passes a light through the fingertip, making the tip appear to be red. By analyzing the light from the light source that passes through the finger, the device is able to determine the percentage of oxygen in the red blood cell.
 
A pulse oximeter gives you accurate insights on your SpO2 and pulse rate within a matter of seconds, to respond quickly and confidently to abnormal readings. As a result, many people with adverse heart and breathing rate invest in personal oximeters for in-home use.
 
Since being invented by Nonin in 1995, the finger pulse oximeter has expanded the availability of pulse oximetry to include at-home patient monitoring. People with heart or breathing problems can rely on personal finger pulse oximeters to help them manage these conditions under physician guidance.