PROBLEM TO BE SOLVED: To detect a prediction of sudden death, and automatically avoid sudden death.SOLUTION: A sudden death avoidance system of the present invention comprises: a vagus nerve stimulation device 20 for stimulating a vagus nerve living body signal acquisition means for acquiring a living body signal for detecting a prediction of sudden death from the living body detection means for detecting the prediction of sudden death, based on the acquired living body signal and control means for causing the vagus nerve stimulation device 20 to execute stimulation according to the detection result of the detection means.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】突然死予兆の検出を行い、自動的に突然死回避を行う。【解決手段】本発明に係る突然死回避システムは、迷走神経を刺激する迷走神経刺激装置20と、生体から突然死予兆を検出するための生体信号を取得する生体信号取得手段と、取得された生体信号に基づき、突然死予兆の検出を行う検出手段と、前記検出手段の検出結果に応じて前記迷走神経刺激装置20による刺激を実行させる制御手段と、を具備する。【選択図】図1