Cardiac autonomic function
Normal (n = 8) | BRS+ (n = 10) | BRS− (n = 9) | CAN+ (n = 9) | |
---|---|---|---|---|
Heart rate (bpm) | 67 ± 2 | 68 ± 2 | 73 ± 2 | 86 ± 2 |
Valsalva ratio | 1.95 ± 0.14 | 1.93 ± 0.13 | 1.62 ± 0.09 | 1.24 ± 0.12 |
E:I ratio | 1.45 ± 0.05 | 1.41 ± 0.07 | 1.34 ± 0.05 | 1.07 ± 0.01 |
Beat-to-beat variation (bts) | 25 ± 3 | 23 ± 3 | 22 ± 3 | 6 ± 1 |
SBP fall on standing (mmHg) | 5 ± 2 | 6 ± 2 | 6 ± 3 | 13 ± 4 |
30:15 ratio | 1.36 ± 0.05 | 1.38 ± 0.05 | 1.24 ± 0.02 | 1.06 ± 0.02 |
BRS (ms/mmHg) | 16.8 ± 2.0 | 16.4 ± 1.4 | 7.3 ± 0.7 | 4.8 ± 0.6 |
Data are means ± SE. E:I ratio, expiration-to-inspiration ratio.