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心电学习笔记(236)室上速吗?

  • 2026-02-07 13:00:23
心电学习笔记(236)室上速吗?
私信收到同行老师的一份图，问我是室上速吗？一起来看看。
图1.该图考虑什么？图有点模糊，凑合看。
该图一看，RR间期规律，频率164次/分，为窄QRS波心动过速，的确可以定义为室上速的一种。但是，我们通常所说的室上速指的是房室结折返性心动过速（AVNRT）与房室折返性心动过速（AVRT），一般不包括房速、房颤、房扑等。
那这个图更准确一点考虑什么呢？个人考虑房扑。
图1-a.可见V1导联规律心房波，如红色箭头所示，频率为320次/分。心房：心室=2:1。
再细看图1，可见II III aVF下壁导联等电位线消失，可见扑动波。V6的扑动波也特别明显。
所以该图考虑心房扑动2:1下传。
以上仅代表个人想法，欢迎各位老师留言纠错、讨论。
利益冲突：无
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  1. CONNECT:[ UseTime:0.000591s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000705s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002662s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000352s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000651s ]
  6. SELECT * FROM `set` [ RunTime:0.000231s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000581s ]
  8. SELECT * FROM `article` WHERE `id` = 465930 LIMIT 1 [ RunTime:0.004020s ]
  9. UPDATE `article` SET `lasttime` = 1770684009 WHERE `id` = 465930 [ RunTime:0.007924s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.011725s ]
  11. SELECT * FROM `article` WHERE `id` < 465930 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002005s ]
  12. SELECT * FROM `article` WHERE `id` > 465930 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003969s ]
  13. SELECT * FROM `article` WHERE `id` < 465930 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.019004s ]
  14. SELECT * FROM `article` WHERE `id` < 465930 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.007756s ]
  15. SELECT * FROM `article` WHERE `id` < 465930 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.015050s ]
0.145339s