This month the FDA cleared Westborough, MA−based Reflectance Medical's noninvasive, peel-and-stick sensor for measuring muscle oxygen saturation (SmO2) and pH (pHm), an indicator of tissue acidosis.

There are truisms about dice that you’ve probably already heard: if you have just one of them it’s called a “die”, opposite faces of each die always add up to seven, and those dots that you’re adding ...

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 ...