Noun
oximetry (uncountable)
The measurement of the oxygen level in arterial blood
Apple has also hired Michael O'Reilly, M.D., the former Chief Medical Officer and EVP of Medical Affairs at Masimo Corporation, a company that specialized in pulse oximetry, and it has hired Roy J.E.M Raymann, from Philips Research. Source: Internet
However, my overnight pulse oximetry showed dangerously low oygenation while I was sleeping. Source: Internet