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一17岁男孩因患Duchenne肌营养不良,心房扑动,心室率为160次/分而入院.静脉注入异搏定6毫克后,病人突然出现紫绀、意识丧失,而脉搏仍为160次/分,行面罩通气,首先用25瓦秒,继而用50瓦秒进行电复律均未成功.病人收缩压为90毫米汞柱,出现呼吸停止,并立即插管行人工通气,继而以200瓦秒电复律成功,转为窦性心动过速.尽管病人的血流动力学稳定且意识清晰,但因生理学上无效的呼吸运动难以产生吸入气流而仍需人工通
A 17-year-old boy admitted to the hospital with Duchenne’s muscular dystrophy and atrial flutter at a ventricular rate of 160 beats / min After the intravenous infusion of verapamil 6 mg, the patient suddenly developed cyanosis and loss of consciousness while his pulse was still 160 beats / min , A mask ventilation, first with 25 watt seconds, followed by 50 watts seconds for electrical cardioversion were unsuccessful.The patient systolic blood pressure 90 mmHg, there is respiratory arrest, and immediately intubation artificial ventilation, followed by 200 watts seconds Electrical cardioversion success, into sinus tachycardia. Although patients with hemodynamically stable and conscious, but the physiologically inefficient respiratory exercise is difficult to produce inhalation airflow and still need artificial through