This review provides a classification, mechanistic overview, and practical diagnostic guidance for adult orthostatic circulatory disorders.
Guides evaluation of orthostatic intolerance; extends nosology but leaves open prospective validation.
When patients complain of altered consciousness or discomfort in the upright posture, either relieved by recumbency or culminating in syncope, physicians may find themselves baffled. There is a wide variety of disorders that cause abnormal regulation of blood pressure and pulse rate in the upright posture. The aim of this focused review is 3-fold. First, to offer a classification (nosology) of these disorders; second, to illuminate the mechanisms that underlie them; and third, to assist the physician in the practical aspects of diagnosis of adult orthostatic hypotension, by extending clinical skills with readily available office technology.
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Gutkin et al. (2016) studied this question.
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