Hello,my mother is 54 years old.She is a diabetic patients..but at present it is under control.for last 3 days whenever I am checking her oxygen level,it has been in between 95 to 96 range..her pulse rate is 76.She doesn't have any corona symptoms. Now my question is as her oxygen level is 95 so does she need to have ECG or anything else?or does she have any risk? Please suggest me what should I do. Thank you.