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It is unnecessary at this time to review the conception of vagotonia and sympatheticotonia. It is only desired to place on record an extreme and, in many respects, unusual case of vagotonia, under observation at the Navy Base Hospital at Mare Island. An exact all-inclusive definition of vagotonia cannot be given, as no case embraces all of the features known to occur in this condition and innumerable borderline syndromes are seen which may reasonably be classed as of vagotonic origin, but which are more or less obscure and even contradictory. Some symptoms undoubtedly associated with the condition are difficult to explain, and it is more than likely that our conception of vagotonia will change materially with fuller knowledge of the physiology of the autonomic nervous system. The essential etiology of vagotonic syndromes is poorly understood at best and in the case here reported, was not elicited.
According to Eppinger and
REED AC. AN UNUSUAL CASE OF VAGOTONIA. Arch NeurPsych. 1919;1(5):560–563. doi:10.1001/archneurpsyc.1919.02180050045004
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