过去一般认为导致死亡的垂危心律失常大多由于急性心肌梗塞或严重器质性心脏病所致。近十多年来很多报告证明无明确器质性心脏病者心理应激可引起重危心律失常(室速或室颤)。有器质性心脏病及心功严重损害者,心理应激更易诱发。这种通过交感神经系统介导的有害效应可以解释生活 In the past, dying arrhythmias that were generally thought to cause death were mostly due to acute myocardial infarction or severe organic heart disease. In the past decade or so, many reports have shown that psychosocial stress without definite organic heart disease can cause serious risk of arrhythmia (VT or VF). With organic heart disease and severe heart damage, psychological stress is more likely to be induced. This detrimental effect mediated by the sympathetic nervous system can explain life