Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Exemplary tachogram representing the R-R intervals in one of the dogs of the study. The different time periods are shown at the top of the graphic, the period labeled “stimulation” includes the 5-min pre- and post-stimulation margin used for the HRV analysis. A marked increase in HRV can be observed after stimulation and during the entire post-stimulation period recorded.
