心律失常是心内科常见病种,抗心律失常药物虽然分类不同,作用机制有差异,不良反应也不同,但是,有个共同点,就是一旦使用超过治疗心律失常的“临界点”后,会导致心律失常加重,或诱发其他形式 Arrhythmia is a common disease in cardiology, although the anti-arrhythmic drugs have different classification and different mechanism of action, adverse reactions are also different, but one thing in common is that once the “critical point” which exceeds the treatment of arrhythmia is used, Will lead to increased arrhythmia, or induce other forms