Cardiac sympathetic blockade during spinal anesthesia involves both efferent and afferent pathways.
Introna
R P
RP
Blair
J R
JR
Thrush
D N
DN
D000344:Afferent Pathways / Q000502:physiology; D000775:Anesthesia, Spinal; D001340:Autonomic Nerve Block; D004525:Efferent Pathways / Q000502:physiology; D006321:Heart / Q000294:innervation*; D006801:Humans; D013564:Sympathetic Nervous System