November 2001 Issue
I am a long-time subscriber to Aviation Consumer and have been a pilot for more than 26 years. Your two recent articles on pulse oximeters were excellent.
However, theres a critical misunderstanding about pulse oximeters which needs to be explained. As a practicing anesthesiologist, I use oximeters every day. The oximeter indirectly measures the oxygen available to the tissues by calculating the percentage of hemoglobin molecules saturated with oxygen.
However, the relationship between the oxygen available to the tissues and the oxygen saturation percentage recorded by the pulse oximeter is not a linear relationship.
Pilots should not be fooled...
To continue reading this entire article you must be a paid subscriber.
Subscribe to Aviation Consumer
Aviation Consumer is the independent online source for impartial and uncompromising evaluations of aircraft, avionics, accessories, equipment and more.
Already subscribe but haven't registered for all the benefits of the website? Click here.
Subscriber Log In
Forgot your password? Click Here.