Why the study?
Do baroreflex mechanisms contribute to respiratory sinus arrhythmia during fixed-frequency breathing in healthy subjects?
Do baroreflex mechanisms contribute to respiratory sinus arrhythmia during fixed-frequency breathing in healthy subjects?
The findings suggest that baroreflex mechanisms contribute to respiratory fluctuations in RR interval during fixed-frequency breathing, challenging the hypothesis that RSA is predominantly a central phenomenon.
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Supports baroreflex contribution to RSA during fixed-frequency breathing; challenges central origin hypothesis but leaves confirmation and relevance open.
Keyl et al. (2000) studied this question.
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