Beta-Adrenergic
Influences on T Wave Alternans During Pacing in Patients With and Without
Ventricular Tachyarrhythmia |
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Presentation
Time: Monday,
10:00 a.m. - 11:00 a.m. |
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Norihiro
Komiya, Shinji
Seto, Kojiro Nakao, Kiyotaka Matsuo, Hisashi Doi, Motonobu Hayano, Katsusuke
Yano, The Third Department of Internal Medicine,Nagasaki University School
of Medicine, Nagasaki, Japan. |
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Presentation
Number: 1093-107 |
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Poster
Board Number: 107 |
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Keyword:
Autonomic nervous
system, Ventricular arrhythmia, Beta-adrenergic receptor blockers,
Beta-adrenergic receptor agonists |
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Backgrounds: T wave alternans (TWA) is a measure of ventricular
vulnerability. Relation of TWA to adrenergic activity is not assessed
clinically. This study was to evaluate (1) whether adrenergic influence on
TWA is observed clinically, and if so, (2) whether responses of TWA to
changes in adrenergic activity are relevant to patients (pts) with
ventricular tachyarrhythmia (VT).
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