Abstract
The heart cannot pump blood that it does not receive.
Highlights
Edited by: Qi Fu, The Institute for Exercise and Environmental Medicine and UT Southwestern Medical Center, USA Reviewed by: Victoria Claydon, Simon Fraser University, Canada
A commentary on Neurohumoral mechanisms associated with orthostasis: reaffirmation of the significant contribution of the heart rate response by Convertino, V
In a recent issue of Frontiers in Physiology, Convertino focussed on the physiology of maximal compensation to orthostasis studying high and low tolerant healthy subjects
Summary
There is little doubt that the vasomotor outflow to the resistance vessels and presumably the splanchnic capacitance vessels are of fundamental importance in the prevention of hypotension (Rowell, 1993; Wieling and van Lieshout, 2008), but there is a concomitant increase in heart rate and the significance of this is much less clear (Hainsworth, 2000). In a recent issue of Frontiers in Physiology, Convertino focussed on the physiology of maximal compensation to orthostasis studying high and low tolerant healthy subjects.
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