Abstract
Rhythmic fluctuations of heart rate during spontaneous breathing in man have been ascribed to variations of efferent vagal activity provoked by respiration (1). One study (2) suggested that inspiration is associated with reduced arterial baroreflex responsiveness: barore-flex sensitivity, as defined by pulse interval responses to a bolus injection of a pressor drug, was slightly greater when pulse intervals occurring during inspiration were excluded. Earlier studies conducted in experimental animals (3–5) have supported the view that inhibition of the sinus node is less when baroreflex stimulation occurs during inspiration than during expiration.
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© 1980 Springer-Verlag Berlin Heidelberg
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Eckberg, D.L., Orshan, C.R. (1980). Central Respiratory-Baroreceptor Reflex Interaction in Man. In: Koepchen, H.P., Hilton, S.M., Trzebski, A. (eds) Central Interaction Between Respiratory and Cardiovascular Control Systems. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-67603-1_24
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DOI: https://doi.org/10.1007/978-3-642-67603-1_24
Publisher Name: Springer, Berlin, Heidelberg
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