A Pulse Oximeter is a very useful and affordable medical device that clamps on one of your fingers. A typical pulse oximeter incorporates a quick and easy way of measuring your heart rate as well as ...

Dr. Takuo Aoyagi, a Japanese bioengineer, was the first to invent pulse oximetry in 1974. 2 The pulse oximeter is based on the light absorption characteristics of hemoglobin at different wavelengths.

Finger pulse oximeters are usually found at doctors’ offices and hospitals, but what you may not know is that you can also buy one to use at home. There are several different brands and designs ...