Table 1.
Hemodynamic Response to Vagal Stimulation
| HR (min−1) | dP/dtmax (mmHg s−1) | LVEDV (mL) | LVESV (mL) | LVSV (mL) | LVEDP (mmHg) | LVESP (mmHg) | |
|---|---|---|---|---|---|---|---|
| Control | 94±9 | 1330±332 | 144±15 | 111±15 | 34±10 | 11±5 | 89±4 |
| VNS | 82±11 | 1187±348 | 146±14 | 109±15 | 37±7 | 11±4 | 83±6 |
| p= | <0.001 | <0.001 | n.s. | 0.017 | 0.019 | n.s. | <0.001 |
VNS=vagal nerve stimulation HR=heart rate dP/dt max=change in left ventricular (LV) pressure per second maximum LVEDV= LV end diastolic volume LVESV=LV end systolic volume SV= LV stroke volume LVEDP=LV end diastolic pressure LVESP=LV end systolic pressure Paired t-test, p<0.05 significant.