脉搏氧饱和度监测仪(pulse oximeter, PO)用于监测脉搏血氧饱和度(pulse oxygen saturation, SpO2)，在一般情况下，是一种能较好反映动脉血氧饱和度(arterial blood saturation , SaO2)的连续无创监测方法。相应的计算公式为： SpO2 =HbO2/(HbO2+RHb) ×100 % SaO2 =HbO2/(HbO2 + RHb ...

Ahead of the launch of its latest hardware, Fitibit is giving Ionic and Versa owners a handy new watch face. Available now, the Fitbit SpO2 Signature clock face helps you keep an eye on your blood ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

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 ...

Fitbit’s new Charge 4 fitness band can now display blood oxygen saturation levels while you sleep. The new SpO2 monitor feature tracks your blood oxygen levels when sleeping, and the data can be ...

Fitbit announced the Charge 4 this month last year as its most advanced fitness tracker with built-in GPS and SpO2. Data from the latter sensor was previously only accessible in the Fitbit app, but ...

If you’ve had a checkup, a medical professional may have clipped a device to your finger to measure your oxygen saturation (SpO2) and pulse. Until last year, that was my only experience with such ...