【单选题】在鉴别室上性阵发性心动过速与室性阵发性心动过速时,下列哪项对室性阵发性心动过速的诊断有意义( )
B.
QRS波频率<200次/min< /div>
【简答题】I told the story of my family and our journey settling into North America as immigrants. As I spoke, everyone stayed silent. After I finished, the only sound with the flowing stream and crackling fire...
【单选题】The only sound to ______ (hear) was the soughing ( 嗖嗖声 ) of the wind.
【单选题】在鉴别阵发性室上性心动过速与阵发性室性心动过速时,以下哪项对阵发性室性心动过速的诊断有肯定的意义( )
【单选题】The only sound to_______ (hear) was the soughing (嗖嗖声)of the wind.