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心律失常是AMI最常见的并发症,常见于发病后24小时内,而且是造成AMI猝死的最重要原因。及时治疗心律失常是降低AMI病死率的重要措施之一。现将常见的严重心律失常分述如下: 1.室性心动过速(下称室速):AMI时由于心肌缺血、心肌纤维损伤、儿茶酚胺浓度升高、二氧化碳分压升高与低血钾等原因,可引起阵发性室速与尖端扭转型室速。
Arrhythmia is the most common complication of AMI, common within 24 hours after onset, and is the most important cause of sudden death in AMI. Timely treatment of arrhythmia is one of the important measures to reduce the mortality of AMI. Now common serious arrhythmia are described below: 1. Ventricular tachycardia (hereinafter referred to as VT): AMI due to myocardial ischemia, myocardial fibrosis, increased catecholamine concentration, elevated partial pressure of carbon dioxide and hypokalemia And other reasons, can cause paroxysmal ventricular tachycardia and torsion VT.