心室早期收縮

心室早期收縮(Ventricular premature contraction,簡稱V.P.C.)是由心室的異位節律點發出激動波使心室提早收縮,即QRS綜合波在P波前出現。此種收縮也會產生脈搏。且此種傳導較慢,在心電圖上會看見較寬的QRS波(寬大約2~4倍)。

參考

http://www.24drs.com/Special_Report/Hypertension/1020_10_detail.asp?no=58855

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