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预激综合征(W-P-W综合征)患者可出现致死性心律失常和猝死,预激综合征危险性的决定因素是附加通道的前向性有效不应期极短,后者在发生心房扑动或心房颤动时引起快速的心室反应.本文用食管导联作递速性心房起搏,选择性诱发心房颤动以估计快速房率时的心室反应,评价对具有危险性的W-P-W综合征患者进行保护性药物治疗的作用.方法:5例预激综征患者,男性4例和女性1例,18至38岁(平均27岁).1例曾发生心室颤动后复苏;1例有心动过速史,3例有家族性W-P-W
Pre-excitation syndrome (WPW syndrome) patients may appear fatal arrhythmia and sudden death, pre-excitation syndrome risk determinants of the additional channels of anterior effective refractory period is very short, the latter in the event of atrial flutter or Atrial fibrillation caused by rapid ventricular response.In this paper, esophageal lead for the rapid atrial pacing, selective induction of atrial fibrillation to estimate the rapid room rate ventricular response, evaluation of WPW syndrome in patients with risk of protection Methods: Five patients with pre-excitation syndrom included 4 males and 1 females, aged from 18 to 38 years (mean 27 years) .A patient had a post-ventricular fibrillation (VFR) recovery and 1 patient had a history of tachycardia, Three patients had familial WPW