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Spectral analysis of sympathetic discharge in decerebrate cats
F Lombardi1, N Montano, M L Finocchiaro
1Centro Ricerche Cardiovascolari CNR, Centro Fidid, Ospedale L. Sacco, Milano, Italy.
Journal of the Autonomic Nervous System
|July 1, 1990
Abstract:
To evaluate if the 0.1-Hz low-frequency oscillations of R-R interval are a reflection of rhythmical pattern of discharge of the sympathetic outflow, we analysed in 10 decerebrate cats heart rate and cardiac sympathetic efferent discharge variability. A predominant low-frequency component was present in both signals, thus suggesting that the 0.1-Hz rhythm indeed reflects a rhythmical pattern of discharge of sympathetic outflow.