Sympathetic vasomotion as an early marker of hemorrhage.

Front Physiol · 2025 · PMC12695573 · PMID 41394922

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did not reach statistical significanceno p-value reported

Overall linear time-domain heart rate variability, quantified as the standard-deviation of the normal-to-normal intervals, trended down with hemorrhage, but this did not reach statistical significance ( Supplementary Figure S5A , P state = 0.310).

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