Why the study?
Does hemorrhage induce 0.05-Hz heart rate oscillations mediated by the sympathetic nervous system in conscious dogs?
Population
6 conscious dogs
Comparison
Hemorrhage vs Baseline conditions
Design
Preclinical
Authors
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Preclinical findings warrant no practice change; leaves open translation of sympathetic HR control to human hemorrhage management.
Does hemorrhage induce 0.05-Hz heart rate oscillations mediated by the sympathetic nervous system in conscious dogs?
Hemorrhage-induced 0.05-Hz heart rate oscillations in conscious dogs are primarily mediated by the arterial baroreceptor-beta-sympathetic reflex.
Madwed et al. (1991) studied this question.
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