期刊
JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY
卷 13, 期 5, 页码 502-512出版社
FUTURA PUBL CO
DOI: 10.1046/j.1540-8167.2002.00502.x
关键词
repolarization; T wave alternans; sudden cardiac death; exercise testing; signal processing
Measurement of microvolt-level T wave alternans (TWA) during routine exercise stress testing now is possible as a result of sophisticated noise reduction techniques and analytic methods that have become commercially available. Even though this technology is new, the available data suggest that microvolt TWA is a potent predictor of arrhythmia risk in diverse disease states. As this technology becomes more widely available, physicians will be called upon to interpret microvolt TWA tracings. This review seeks to establish uniform standards for the clinical interpretation of microvolt TWA tracings.
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