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危及生命的心律失常的常见病因是缺血性心脏病(即冠心病)、各种心肌疾病、电解质紊乱和洋地黄制剂或抗心律失常药物中毒等。危及生命的心律失常常可导致心性猝死,心电图表现为致死性心律失常。换言之,凡属于极易导致心性猝死即心脏骤停的心律失常都可称之为危及生命的心律失常。致死性心律失常包括:心室颤动、心室扑动、心室停搏和心电-机械分离等一系列心电图和血流动力
Common causes of life-threatening arrhythmias are ischemic heart disease (ie, coronary heart disease), various heart diseases, electrolyte disturbances, and digitalis preparations or antiarrhythmic drug poisoning. Life-threatening arrhythmias can often lead to sudden cardiac death and electrocardiogram as fatal arrhythmias. In other words, any arrhythmias that easily lead to sudden cardiac death, or cardiac arrest, can be called life-threatening arrhythmias. Fatal arrhythmias include ventricular fibrillation, ventricular flutter, ventricular arrest, and electrocardiogram-mechanical separation and a series of electrocardiograms and hemodynamics