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108例下壁 AMI,其中57例发生房室阻滞(AVB)占52.8%,Ⅱ°A-VB18例占16.7%,Ⅲ°AVB19例占17.6%。发病当日出现 AVB 52例占91.2%(52/57),早期阻滞22例占42.3%(22/52)。24小时内恢复正常 AV 传导者24例占46.1%,其中早期阻滞18例,没有长期不愈的Ⅱ°、Ⅲ°AVB。有高度 AVB 者并发症多,室性心律失常、晕厥、心衰、低血压、病死率均高于无 AVB 组。早期阻滞组的并发症发生率更高。高度 AVB 应用氟美松有效,亦可少量使用阿托品,一般不用异丙肾素和起搏器治疗。急性下壁心肌梗塞房室传导阻滞发生率较高,为了探讨其治疗和预后,对我院5年内108例下壁 AMI 进行分析。
108 cases of inferior wall AMI, including 57 cases of AVB occurred in 52.8%, Ⅱ ° A-VB18 cases accounted for 16.7%, Ⅲ ° AVB19 cases accounted for 17.6%. On the morbidity day, 52 cases (52.2%) had AVB, while 22 cases (42.3%) had early block (22/52). Within 24 hours, 24 cases returned to normal AV conduction, accounting for 46.1%, including 18 cases of early block and no long-term unhealed Ⅱ °, Ⅲ ° AVB. Patients with a high degree of AVB complications, ventricular arrhythmias, syncope, heart failure, hypotension, mortality were higher than without AVB group. The incidence of complications in the early block was higher. High AVB application of dexamethasone effective, but also a small amount of atropine, usually without isoproterenol and pacemaker treatment. Acute inferior myocardial infarction with a higher incidence of atrioventricular block, in order to explore the treatment and prognosis of our hospital within 5 years of 108 cases of inferior wall AMI were analyzed.