Real-time and early detection of minute changes in the functioning of the cardiovascular system is crucial for managing critically ill patients, such as newborns and older adults, and can significantly affect their outcomes. Heart rate variability (HRV) is the minute, yet normal, fluctuations between consecutive heartbeats, usually measured through the electrocardiogram (ECG). HRV is a well-established, quantitative, and noninvasive measure for assessing autonomic nervous system activity.
This article was originally published on MedicalXpress.com
