Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Rising rates of heart rhythm problems are colliding with an aging population and crowded hospitals. At the same time, many ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...