Haemodynamic parameters in each condition
| Baseline | Blood loading | Dobutamine | Metoprolol | |
|---|---|---|---|---|
| *p<0.05 compared with baseline; **p<0.005 compared with baseline. | ||||
| LAP, left atrial pressure; LVEDP, left ventricular end diastolic pressure. | ||||
| Cardiac output (l/min) | 1.62 (0.47) | 2.2 (0.48)* | 2.0 (0.48) | 1.54 (0.24) |
| Heart rate (beats/min) | 100 (12) | 106 (6) | 142 (25) * | 81 (8) * |
| LVEDP (mm Hg) | 12.1 (4.2) | 16.2 (6.2) | 11.1 (5.9) | 15.3 (2.1) |
| LAP (mm Hg) | 8.9 (3.0) | 13.5 (4.0)** | 9.1 (2.5)* | 10.7 (2.9) |
| Peak dP/dt (mm Hg/s) | 1110 (324) | 1697 (299)* | 2260 (558)* | 735 (250)* |
| Peak −dP/dt (mm Hg/s) | −1083 (183) | −1290 (137)* | −1391 (295)* | −667 (277)* |