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.
Comparison of heart rate variability (RMSSD) at similar low heart rates
| Treatment | Mice [n] | Count [n]a | HR [bpm] | RMSSD [ms] |
|---|---|---|---|---|
| Untreated (sleep) | 8 | 64 | 434.8 ± 3.1 | 10.5 ± 0.9 |
| 8-OH-DPAT (0.5 mg·kg−1) | 8 | 64 | 427.0 ± 6.1n.s. | 23.4 ± 1.7*** |
RMSSD, root-mean square of successive RR interval differences.
not significant.
P < 0.0001 versus untreated (sleep).
8 × 2 min bins per mouse.
