Why the study?
Does graded exercise alter heart rate variability and sympatho-vagal balance in normal subjects and heart transplant recipients?
Does graded exercise alter heart rate variability and sympatho-vagal balance in normal subjects and heart transplant recipients?
The study suggests that at peak exercise, a non-autonomic mechanism intrinsic to the heart muscle may determine heart rate fluctuations in synchrony with ventilation in both intact and denervated human hearts.
Intrinsic mechanisms may drive exercise HRV even in denervated hearts; hypothesis-generating for autonomic-independent control and requires prospective validation.
No abstract yet. The journal hasn't published one we can show.
No takes yet. Share an insight, caveat, or question.
Bernardi et al. (1990) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: