Ectopic automaticity, triggered activity and reentry may be the mechanisms of the arrhythmia.
自律性异常、触发活动和折返形成是房速的主要发生机制。
Combining with electrophysiological results, we suggest that the mechanism of inducing VT might he due to triggered activity and abnormal automaticity.
结果提示，运动试验诱发VT的机制，可能是延迟后去极化触发活动和肾上腺素敏感性增高自律性异常。
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