KMID : 1011920160170020080
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International Journal of Arrhythmia 2016 Volume.17 No. 2 p.80 ~ p.85
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Orthostatic Intolerance Syndrome
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Ahn Min-Soo
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Abstract
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Orthostatic intolerance is the inability to tolerate an upright posture as a consequence of varying degrees of autonomic nervous system dysfunction. Orthostatic intolerance syndromes can be classified into at least 3 categories: 1) orthostatic hypotension, 2) neurally mediated (reflex) syncope, and 3) postural orthostatic tachycardia syndrome. In this review, we discuss the pathophysiology and etiologies of orthostatic hypotension and postural orthostatic tachycardia syndrome, and propose their diagnostic and therapeutic alternatives.
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KEYWORD
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Orthostatic Intolerance, Orthostatic Hypotension, Postural Orthostatic Tachycardia Syndrome
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