do you need to fast for a pulse oximeter test (blood oxygen test) and if so for how long?
No, a pulse-ox test is just a sensor they put on your fingertip and read the O2 content, there isn’t any blood extracted.
No, a pulse-ox test is just a sensor they put on your fingertip and read the O2 content, there isn’t any blood extracted.
No, a pulse-ox test is just a sensor they put on your fingertip and read the O2 content, there isn’t any blood extracted.
References :
I used to be a nurse’s assistant, and administered this test all the time.