Abstract 119 Table 1

Conventional echocardiographic indices at supine, 1 minute and 5 minutes of head-up tilting

Conventional Parameters	SUPINE	1 MIN TILT	5 MIN TILT

Heart Rate (bpm)	77 ï¿½ 6	90 ï¿½ 9*	87 ï¿½ 6^
Systolic Blood Pressure (mmHg)	127 ï¿½ 8	125 ï¿½ 10	127 ï¿½ 7
Diastolic Blood Pressure (mmHg)	76 ï¿½ 7	79 ï¿½ 15	83 ï¿½ 5
Cardiac Output (l/min)	4.3 ï¿½ 0.6	3.9 ï¿½ 0.2	3.8 ï¿½ 0.7
End Diastolic Volume (ml)	92 ï¿½ 16	64 ï¿½ 6*	69 ï¿½ 11^
End Systolic Volume (ml)	37 ï¿½ 7	20 ï¿½ 6 *	25 ï¿½ 7
LV Ejection Fraction (%)	60 ï¿½ 4	69 ï¿½ 7	63 ï¿½ 6
E Wave Velocity (m/s)	0.81 ï¿½ 0.19	0.78 ï¿½ 0.09	0.70 ï¿½ 0.10
A Wave Velocity (m/s)	0.55 ï¿½ 0.11	0.59 ï¿½ 0.08	0.66 ï¿½ 0.26
E/A	1.5 ï¿½ 0.6	1.3 ï¿½ 0.2	1.2 ï¿½ 0.6