Oxygen saturation in the blood that is either too low or too high can cause lasting physical harm or even death. This is why patients' oxygen concentrations are monitored continuously in both ...

The FDA has cleared a next-generation system to continuously monitor patients’ blood pressure while they’re undergoing surgery without the use of inflatable cuffs or invasive arterial catheters.

The blood oxygen sensor featured in Apple Watch Series 6 and 7 is “not intended for medical use,” Apple says. That seems odd, considering that low blood oxygen is a serious medical condition. If the ...