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扩张型心肌病患者的窄QRS波心动过速：机制是什么？

Narrow QRS Tachycardia in a Patient with Tachycardiomyopathy: What Is the Mechanism?

作者信息

Mohanan Nair Krishna Kumar, Namboodiri Narayanan, Divakaramenon Syamkumar, Banavalikar Bharatraj, Abhilash Sreevilasam Pushpangadhan, Thajudeen Anees, Valaparambil Ajitkumar

机构信息

Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.

Division of Cardiology, Electrophysiology and Pacing, Arrhythmia Services, Hamilton Health Sciences, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada.

出版信息

Pacing Clin Electrophysiol. 2016 Dec;39(12):1410-1411. doi: 10.1111/pace.12978. Epub 2016 Dec 7.

DOI:10.1111/pace.12978
PMID:27862033
Abstract

A 50-year-old female presented with incessant palpitation of 2 weeks duration. She was hemodynamically stable and there was no evidence of heart failure. A transthoracic echocardiogram showed mild left ventricular (LV) dysfunction with LV ejection fraction of 45%. Electrocardiogram (12 lead and rhythm strip) was taken during the palpitation. What is the mechanism?

摘要

一名50岁女性因持续心悸2周前来就诊。她血流动力学稳定，无心力衰竭证据。经胸超声心动图显示左心室（LV）轻度功能障碍，左心室射血分数为45%。在心悸发作期间进行了心电图检查（12导联和节律条图）。其机制是什么？

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