. 2006 Sep 28;577(Pt 2):679–687. doi: 10.1113/jphysiol.2006.118158

Table 1.

Haemodynamic responses to 45 min 60 deg upright tilt

		60 deg upright tilt

Variables	Supine	5th minute	10th minute	20th minute	30th minute	40th minute
Stroke volume (ml)	103 ± 23	75 ± 23^*	61 ± 15^*^†	61 ± 21^*^†	57 ± 22^*^†	55 ± 16^*^†
Cardiac output (l min⁻¹)	7.74 ± 1.23	6.31 ± 1.71^*	5.24 ± 0.97^*^†	5.24 ± 1.08^*^†	4.89 ± 1.18^*^†	4.91 ± 1.08^*^†
Total peripheral resistance (dyn s cm⁻⁵)	873 ± 126	1247 ± 349^*	1445 ± 256^*^†	1453 ± 306^*^†	1579 ± 362^*^†	1541 ± 279^*^†

Data are mean ±s.d.

P < 0.05 compared to the supine position

^†

P < 0.05 compared to the 5th minute of upright tilt.