Haemodynamic variables for the in situ perfused Python molurus heart
| Body mass (BM) | 2.2±0.2 kg |
| Ventricular mass (VM) | 3.61±0.46 g |
| Pressure in left atrium (PLAt) | 0.20±0.02 kPa |
| Pressure in right atrium (PRAt) | 0.11±0.01 kPa |
| Systemic arterial pressure (Psys) | 6.3±0.0 kPa |
| Pulmonary arterial pressure (Ppul) | 6.3±0.1 kPa |
| Heart rate (fH) | 46±3 min-1 |
| Systemic flow (Q̇sys) | 12.0±0.7 ml min-1 kg-1 |
| Pulmonary flow (Q̇pul) | 12.8±0.9 ml min-1 kg-1 |
| Cardiac output (Q̇tot) | 24.7±1.6 ml min-1 kg-1 |
| Total stroke volume (VS) | 0.55±0.05 ml kg-1 |
| Systemic power output | 1.22±0.07 mW kg-1 |
| Pulmonary power output | 1.32±0.09 mW kg-1 |
| Total power output | 2.53±0.15 mW kg-1 body mass |
| Total power output | 1.60±0.15 mW g-1 ventricular mass |
| Body mass (BM) | 2.2±0.2 kg |
| Ventricular mass (VM) | 3.61±0.46 g |
| Pressure in left atrium (PLAt) | 0.20±0.02 kPa |
| Pressure in right atrium (PRAt) | 0.11±0.01 kPa |
| Systemic arterial pressure (Psys) | 6.3±0.0 kPa |
| Pulmonary arterial pressure (Ppul) | 6.3±0.1 kPa |
| Heart rate (fH) | 46±3 min-1 |
| Systemic flow (Q̇sys) | 12.0±0.7 ml min-1 kg-1 |
| Pulmonary flow (Q̇pul) | 12.8±0.9 ml min-1 kg-1 |
| Cardiac output (Q̇tot) | 24.7±1.6 ml min-1 kg-1 |
| Total stroke volume (VS) | 0.55±0.05 ml kg-1 |
| Systemic power output | 1.22±0.07 mW kg-1 |
| Pulmonary power output | 1.32±0.09 mW kg-1 |
| Total power output | 2.53±0.15 mW kg-1 body mass |
| Total power output | 1.60±0.15 mW g-1 ventricular mass |
These conditions were used as starting conditions in all experimental protocols and were attained by adjusting filling pressures of the two atria(PRAt and PLAt) so that the Q̇sys and Q̇pul were equal at 12-13 ml min-1 kg-1. Values are means ± S.E.M.(N=7).