One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

A 70-year-old woman presents to the ED with chest pain, shortness of breath and diaphoresis. Her symptoms began about 24 ...

However, navigating the market can be difficult, as many devices look similar but differ significantly in comfort, sensor reliability, app quality, and reporting features. Even after choosing a ...

Heart failure (HF) remains a pressing health concern, with rising prevalence globally. Subjectivity and ambiguity in the ...