Abstract
This chapter discusses hypertension. The sympathetic nervous system mediates baroreceptor reflex, which medicates blood pressure. Chronic elevations in sympathetic activity lead to elevations in blood pressure which may lead to hypertension. Elevations in sympathetic activity may be a primary autonomic condition or it may be secondary to a parasympathetic excess. This differentiation helps to differentiate between primary hypertensive disorders and labile or difficult to control hypertension, sometimes known as autonomically mediated hypertension. The difficulty in control may be due to a hidden parasympathetic excess thwarting therapy by being exacerbated by the therapy. Another possible form of secondary hypertension is as a reflex to orthostatic dysfunction. These patients are those whose dizziness is exacerbated when their BP is reduced and whose BP is exacerbated when their dizziness is relieved. P&S monitoring provides more information to document and manage hypertension.
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Colombo, J., Arora, R., DePace, N.L., Vinik, A.I. (2015). Hypertension. In: Clinical Autonomic Dysfunction. Springer, Cham. https://doi.org/10.1007/978-3-319-07371-2_20
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