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zheng jie 40: da an
Pages: 379
Year: Issue:  5
Journal: Journal of Clinical Electrocardiology

Keyword:  房性心动过速起搏心电图体表心电图起搏模式混乱性心室起搏心室率起搏心律征解起搏脉冲;
Abstract: <正>征解40答案:1.混乱性房性心动过速;2.V V(I D D)I起搏心电图诊断要点:1.V V(I D D I)起搏心电图:从征解图可知本例患者心电图存在两种心室律,一种是明显的心室起搏心律(图A、B中箭头指示),其起搏间期规整,V V间期860m(s70ppm),而在自主的Q R S波后,则以1000m(s60ppm)的滞后间期发放下次心室起搏脉冲,提示其为V V I起搏模式且心室起搏与感知功能均正常。但心室起搏的Q R S波前无固定的PR间期,又知患者植入的是双腔IC D,故V V I起搏模式是D D D模式发生了模式转
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