快速心律失常临床较常见,若不及时纠正,可引起血液动力学改变,并导致严重后果。虽有许多抗心律失常新药和电转复,但仍有不少病例用药无效,又不适宜电复律,此时超速抑制就成为治疗此类心律失常的一种有效方法。超速起搏过程中,既能抑制也可诱发出快速心律失常。本文就此讨论如下。 Tachyarrhythmia clinical more common, if not corrected in time, can cause hemodynamic changes, and lead to serious consequences. Although many anti-arrhythmic drugs and electrical rehabilitation, but there are still many cases of invalid medication, not suitable for cardioversion, then speeding has become an effective method of treatment of such arrhythmias. In the process of speeding pacing, both can inhibit or induce tachyarrhythmia. This article is discussed below.