Pulse oximeters, a type of photoplethysmography (PPG) sensor, are electronic devices that measure a person’s blood-oxygen saturation (SpO 2) and heart-rate (HR) levels. Since their inception in the ...

However, the traditional method of transmission pulse oximetry (TPO) has several limitations. In conditions of poor peripheral perfusion or cardiovascular collapse, the measurements of this method are ...

GE HealthCare is recalling 7559 TruSignal arterial oxygen saturation (SpO2) sensors because of problems that may reduce defibrillation energy, expose patients to unintended voltage, or give inaccurate ...

Pulse oximetry is a means for non-invasive monitoring of oxygen saturation in blood. It employs an indirect method of assessing these conditions immediately just by clipping a sensor onto your finger ...

is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...