Table 4.
Trend of hemodynamic parameters till attainment of Smax (pin-prick)
| Time point | Heart rate (bpm) | Mean arterial pressure (mmHg) |
|---|---|---|
| Ts | 85.8±14.9 | 93.1±9.6 |
| Ts + 3 (min) | 84.1±13.9 | 91.8±8.8 |
| Ts + 6 (min) | 83.1±14.1 | 91.2±8.6 |
| Ts + 9 (min) | 83.2±15.4 | 89.9±8.1 |
| Ts + 12 (min) | 82.2±14.4 | 88.6±8.2 |
| Ts + 15 (min) | 80.9±13.2 | 86.1±8.8 |
| Ts + 18 (min) | 82.8±13.1 | 84.1±8.7 |
| Ts + 21 (min) | 80.0±11.3 | 74.5±0.7 |
Values are mean±SD; Ts=time to put patient supine after intrathecal injection, Ts + (additional minutes since Ts); Smax=Maximum level of sensory block (sensory modality)