死亡原因不可预见，存在差距的部分原因可能是不恰当给予除颤器的患者一开始就更为虚弱。
The causes of death were not available, and part of the explanation for the disparity may be that patients given the defibrillators inappropriately were sicker to begin with.
这篇新学术论文包括心脏病，心脏疾病治疗，不规律心跳发作，及植入的除颤器的激活。
The new paper included heart attacks, cardiac arrests, episodes of irregular heartbeat and activations of automatic implanted defibrillators.
这篇新学术论文包括心脏病，心脏疾病治疗，不规律心跳发作，及植入的除颤器的激活。
The new paper included heart attacks, cardiac arrests, episodes of irregular heartbeat and activations of automatic implanted defibrillators.
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