Orthostatic symptoms does not always manifest during tilt-table test in pediatric postural orthostatic tachycardia syndrome patients
OPEN Korean journal of pediatrics | 8 Feb 2013
TE Huh, JS Yeom, YS Kim, HO Woo, JS Park, ES Park, JH Seo, JY Lim, CH Park, KJ Park and HS Youn
Chronic day-to-day symptoms of orthostatic intolerance are the most notable features of postural orthostatic tachycardia syndrome (POTS). However, we have encountered patients with such symptoms and excessive tachycardia but with no symptoms during the tilt-table test (TTT). We aimed to investigate whether POTS patients with chronic orthostatic intolerance always present orthostatic symptoms during the TTT and analyze the factors underlying symptom manifestation during this test.
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