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急性心肌梗塞(AMI)早期出现低镁,常可伴发心律失常,心功能不全及缺血性心脏猝死.目前国外已有主张对 AMI 患者常规补镁的报道.本人对5例 AMI 合并三大并发症,在常规及利多卡因治疗无效时,加用硫酸镁静滴,结果4例显效,一例出现呼吸衰竭.典型病例女性,70岁,因心前区压榨性疼痛4天,加剧2小时,于1986年3月7日入院.Bp180/130,P140次/分,心音低钝,双肺底布满湿性啰音.EKG示:V_(?)～V_(?),Ⅱ,Ⅲ,aVF 呈 QS 型,STV_(?)～V_(?)弓背上抬0.3～0.4mV,呈单向曲线.诊断为前侧壁及下壁 AMI 合并急性左心衰竭.按常规治疗外,在极化液每500ml 中加利多卡因500mg,酚妥拉明20mg,以15～20滴/分静滴,血压恢复后再在上述液体中加多巴
Early onset of acute myocardial infarction (AMI) low magnesium, often associated with arrhythmia, cardiac insufficiency and ischemic sudden cardiac death .At present, there are reports of conventional magnesium supplement AMI patients reported.Of the 5 AMI merged with the three Complications in the routine and lidocaine ineffective, plus magnesium sulfate intravenous infusion, the results of 4 cases markedly effective, a case of respiratory failure.A typical case of women, aged 70, because of precordial pressure pain for 4 days, an increase of 2 hours , Was admitted to hospital on March 7, 1986. Bp180 / 130, P140 beats / min, heart sounds low blunt, the lungs at the end of the lung full of wet rales .EKG shows: V _ (~) ~ V _ Was QS type, STV _ (~) ~ V_ () arch 0.3 ~ 0.4mV elevation, showed a unidirectional curve.Anterior anterior wall and lower wall diagnosed with acute left heart failure.According to conventional treatment, the polarization 500ml of lidocaine 500mg, phentolamine 20mg, 15 to 20 drops / min infusion, and then in the liquid after the recovery of blood pressure dopa