Questions tagged [heart-rate-variability]
The heart-rate-variability tag has no usage guidance.
2 questions
9
votes
1
answer
21k
views
What is the difference between RR-intervals and NN-intervals in HRV-data?
Heart rate variability (HRV) is often used as a measure of the sympathetic nervous system. One way to quantify HRV is by calculating the Inter-beat interval (IBI), also referred to as the RR-interval. ...
3
votes
1
answer
4k
views
Open source software for analyzing Heart Rate Variability (HRV)
Heart rate variability (HRV), the change in the time intervals between adjacent heartbeats, is an emergent property of interdependent regulatory systems that operate on different time scales to adapt ...