4 ms·
The cheap SPO2 devices are calibrated on fair skin. If you have a darker complexion there is a known measurement error. If you are at 91% and feeling fine you a
by rolleiflex 5y ago
The cheap SPO2 devices are calibrated on fair skin. If you have a darker complexion there is a known measurement error. If you are at 91% and feeling fine you are probably fine. Your body has a better SPO2 sensor than anything man-made.
- kumarvvr 5y agoDamn, I am brown and I guess I have to take that as a 3 - 5% error?
- rolleiflex 5y agoThat is correct. See here: https://pubmed.ncbi.nlm.nih.gov/18048893/ https://pubmed.ncbi.nlm.nih.gov/18048893/