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不同病因的心脏病在疾病发生发展的不同阶段均可引起室性心律失常(VA)的发生,尽管VA是心脏病患者发生猝死的重要原因,但对其发生机制的认识和治疗是不能令人满意的。研究表明,交感神经系统活性升高在致命性心律失常的发生中占有重要地位[1]。以往认为,心脏β肾上腺素受体反应主
Heart disease of different etiologies can cause ventricular arrhythmias (VA) at different stages of the disease’s development. Although VA is an important cause of sudden death in patients with heart disease, the understanding and treatment of its pathogenesis can not be made satisfied. Studies have shown that increased activity of the sympathetic nervous system plays an important role in the development of fatal arrhythmia [1]. In the past that heart β-adrenergic receptor response