Article
Recurrent postural vasovagal syncope: sympathetic nervous system phenotypes.
Circulation. Arrhythmia and electrophysiology - 1 Oct 2011
Vaddadi Gautam, Guo Ling, Esler Murray, Socratous Florentia, Schlaich Markus, Chopra Reena, Eikelis Nina, Lambert Gavin, Trauer Thomas, Lambert Elisabeth
Abstract excerpt
BACKGROUND: The pathophysiology of vasovagal syncope is poorly understood, and the treatment usually ineffective. Our clinical experience is that patients with vasovagal syncope fall into 2 groups, based on their supine systolic blood pressure, which is either normal (>100 mm Hg) or low (70-100 mm Hg). We investigated neural circulatory control in these 2 phenotypes. METHODS AND RESULTS: Sympathetic nervous...
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