| 释义 |
T-wave alternans
T-wave alternans A repolarisation phenomenon manifesting as a microvolt beat-to-beat change in the amplitude of the T wave and ST segment on EKGs. T-wave alternans has low specificity as a predictor of arrhythmic risk in unselected populations with prior myocardial infarction.T-wave alternans Cardiology A subtle every-other-beat variation in T waves that is prognostic of Pts at high risk for life-threatening cardiac arrhythmias and sudden cardiac death. See Alternans test. AcronymsSeeTWA |