February 9, 2006-- Microvolt T-wave alternans (MTWA), an electrocardiographic (ECG) test that measures subtle variations in the heart beat, can identify heart disease patients who are either at high ...
Background: Microvolt t-wave alternans (TWA) in early exercise is a noninvasive marker of life-threatening ventricular arrhythmia in some adult cardiac populations. The incidence and potential ...
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