Simple and interesting heart rate dynamics have been identified in premature human infants -- reversible transitions to large-amplitude periodic oscillations -- and the appearance and disappearance of ...

Studies examining the fetal heart rate (FHR) prior to uterine rupture consistently report that non-reassuring fetal heart rate patterns are the predominant sign suggesting impending or actual uterine ...

This release is available in Chinese. A normal healthy heart beats at a variable rate with extraordinarily complex fluctuations across a wide range of time scales. Reduced complexity of heart rate has ...