Does Finger Pulse Oximeters Show Accurate Reading?

After the pandemic hit us, we became familiar with some of the medical equipment related to this disease. Pulse oximeters are such equipment which was used by almost every person during the pandemic. This small equipment helps to monitor your oxygen saturation level in the blood which was very important back then because people were closely monitoring their oxygen saturation level to avoid that lethal disease. Now also, we are quite used to that routine.