Table 1.
Baseline | Blockade | P | |
---|---|---|---|
R–R (ms) | 998 ± 52 | 712 ± 23 | <0.001 |
RRSD (ms) | 49 ± 5 | 5 ± 1 | <0.001 |
SBP (mmHg) | 126 ± 3 | 109 ± 5 | 0.004 |
SBPSD (mmHg) | 4.4 ± 0.5 | 2.4 ± 0.2 | 0.001 |
DBP (mmHg) | 67 ± 2 | 65 ± 3 | 0.558 |
DBPSD (mmHg) | 2.7 ± 0.3 | 1.5 ± 0.2 | 0.001 |
Respiratory frequency (Hz) | 0.28 ± 0.02 | 0.27 ± 0.02 | 0.345 |
Respiratory excursion power (units) | 7 ± 2 | 8 ± 3 | 0.312 |
n = 10, values are presented as means ± s.e.m. R–R, R–R interval; RRSD, standard deviation of R–R interval calculated from 6 min data segments; SBP, systolic pressure; SBPSD, standard deviation of SBP calculated from 6 min data segments; DBP, diastolic pressure; DBPSD standard deviation of DBP calculated from 6 min data segments.