| 单词 | t-wave alternans |
| 释义 | T-wave alternansT-wave alternansA 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 alternansCardiology 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. |
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