P波振幅在肢体导联应该()
患者男性,25岁,突发心悸就诊。心电图示宽QRS波群心动过速,P波显示不清楚,QRS波群形态一致,RR间距相等。
如果胸导联有RS波,且最大的RS时限(R波起点到S波最深点的时限)>100ms,支持()。男,57岁,胸闷伴下肢水肿2个月,心电图V~V导联QS波。
最有价值的器械检查()Goods are carried by several of transport--on road or rail, by sea or air.
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
7.Ⅰ导联是正向波,Ⅲ导联是较深的负向波,电轴:( )
8.Ⅰ导联是较深的负向波,Ⅲ导联是正向波,电轴:( )
35.Ⅰ导联是较深的负向波,Ⅲ导联是正向波,电轴:( )
2002年新配方口服补液盐(ORS)溶液的张力是
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