<p>患者女性，46岁，慢性肾功能不全，出现手足抽搐，但神志清楚。急查心电图如图所示，应考虑为</p><p><img galleryimg="no" onload='javascript:if(this.width &gt; 200)this.width = 200' alt="" src="http://questionupload.haoyisheng.com/question_upload/20140524/52dabec8-e9c0-425a-8beb-bdba3ba68106.JPG" /></p>