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汉语拼音：xīn lǜ shī cháng

也叫心律不齐、心律紊乱。心脏的正常节律（窦性心律）发生变化。常见的有心动过速或过缓、过早搏动、心房颤动、心脏传导阻滞等。主要症状有心悸、呼吸困难、胸痛等。

心律失常 [xīn lǜ shī cháng]

1. 心律失常是由于窦房结激动异常或激动产生于窦房结以外，激动的传导缓慢、阻滞或经异常通道传导，即心脏活动的起源和（或）传导障碍导致心脏搏动的频率和（或）节律异常。心律失常是心血管疾病中的一组疾病，它可单独发病亦可与心血管病伴发。心律失常可突然发作导致猝死，也可持续累及心脏而衰竭。

• Smoking could lead to irregular heartbeats.

  吸烟会引起心律失常。

• This normal variation in rhythm is known as sinus arrhythmia.

  节律的这种正常变化称为窦性心律失常.

• These effects are of considerable importance in the genesis of a number of important arrhythmias.

  这些效应在某些重要的心律失常的发生上有相当重要的意义.

• [ Burke ] There's an arrhythmia when I press down on the tumor.

  病人心律失常当我压迫肿瘤的时候.

• Grasps arrhythmia the diagnosis to have the vital clinical significance.

  掌握心律失常诊断具有重要的临床意义.

• Study of arrhythmia in patients with positive responses head - up tilt table test.

  与直立倾斜试验阳性反应患者心律失常分析>>相似的文献.

• Atrial fibrillation is the most common arrhythmia in clinical cardiac diseases.

  心房颤动是临床上最为常见的心律失常.

• Typically, catheter ablation is used to an AF arrhythmia.

  典型地, 使用导管消融来终止AF心律失常.

• Conclusion: F 2 can antagonize the arrhythmias induced by ischemia - reperfusion in rat heart.

  结论: F2对大鼠心脏缺血再灌注心律失常具有拮抗作用.

• In severe poisoning, there be coma, convulsions, respiratory depression, hypotension, and arrhythmias.

  重度中毒时, 可出现昏迷 、 子痫 、 呼吸抑制 、 低血压和心律失常.

• Atrial fibrillation is a kind of the most common arrhythmias.

  心房颤动系临床上最常见的一种心律失常.

• Severe arrhythmias can trigger atrial fibrillation or ventricular fibrillation.

  严重的心律失常可引起心房纤颤或心室纤颤.

• Conclusions - Atrial arrhythmias occurred in 15 % of adults with congenital heart disease.

  结论 — 我们的研究结果显示15%的先天性心脏病成人患者会并发房性心律失常.

• Its main clinical manifestations are heart failure and ventricular arrhythmia.

  临床主要表现为心功能不全和心律失常.

• Difficulties arise in attempting to understand the mechanisms of antiarrhythmic drug action for several reasons.

  在企图了解抗心律失常药物作用的机制中产生某些困难是有一些原因的.