Table 1.
Posture
|
P | ||
---|---|---|---|
Supine | Upright | ||
HR, beats/min | 69±6 | 80±6* | 0.004 |
MAP (arm), mmHg | 78±4 | 75±4 | |
Pv, mmHg | |||
Arm | 10±2 | 11±1 | |
Leg | 14±2 | 31±6* | 0.0002 |
Blood flow, ml·100 ml−1·min−1 | |||
Arm | 2.6±0.4 | 1.9±0.5* | 0.03 |
Leg | 2.4±0.4 | 2.0±0.4 | 0.06 |
Arterial resistance, ml·100 ml−1·min·mmHg−1 | |||
Arm | 28±6 | 44±12* | 0.0002 |
Leg | 26±12 | 43±20* | 0.003 |
Values are means ± SE. HR, heart rate; MAP, mean arterial pressure, Pv, venous pressure.
P < 0.05 vs. supine.