If you’ve ever had a medical team investigating cardiac issues, you’ve probably had a bunch of electrodes stuck all over your chest and been hooked up to an electrocardiogram. This is the gold ...

Proper blood circulation is considered essential for maintaining a healthy body and ensuring that all organs function correctly. Hemoglobin, a protein present in the blood, continuously delivers ...

Everything you need to know about SpO2 on Garmin's watches. Tucked away in some Garmin watches is a sensor that enables continuous blood oxygen monitoring, a feature the company refers to as 'Pulse Ox ...

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.

Ever wake up feeling more tired than when you went to bed? Or wonder if yesterday's workout affected how well you recovered overnight? Wearable wellness devices have made it easier to answer those ...