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This monograph is a summary of the studies published in various medical journals and scientific archives during the last few years by the author and his co-workers on the mechanism of the slowing of the heart on the pressure of the carotid arteries in the neck. Previous to the work done by Dr. Hering it had been generally assumed that the slowing of the heart after pressure on the carotid artery was due to direct pressure on the cardio-inhibitory fibers of the vagus nerve. Dr. Hering seems to have shown that the vagus trunks in the neck are resistant to mechanical stimulation, and that the phenomenon mentioned is due to a specific reflex. The focus for the sensory nerve distribution of the reflex is in what Dr. Hering calls the "carotid sinus," that is, the enlargement of the carotid at the point of division of the internal and external carotid
Die Karotissinusreflexe auf Herz und Gefässe, vom Normal-Physiologischen, Pathologisch-Physiologischen und Klinischen Standpunkt. Arch Intern Med (Chic). 1927;40(5):740. doi:10.1001/archinte.1927.00130110170015
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