The effect of baroreflex adaptation on the dynamic cardiovascular response to head-up tilt.


BACKGROUND Baroreflex adaptation to repetitive +Gz has been reported previously. The underlying mechanism may involve different responses of stroke volume (SV) and total peripheral resistance (TPR) to +Gz. HYPOTHESIS The previously observed enhanced mean arterial pressure (MAP) regulation in fighter pilots (FP) is mediated by increases in SV and/or TPR… (More)


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