Abrupt Heart Rate Fallings in a Patient with Biventricular Pacing: Latent Risk for Exacerbation of Heart Failure

被引：0
|
作者：
Kawata, Hiro [1 ]
Noda, Takashi [1 ]
Yamada, Yuko [1 ]
Okamura, Hideo [1 ]
Nakajima, Hiroyuki [2 ]
Kobayashi, Junjiro [2 ]
Kamakura, Shiro [1 ]
机构：
[1] Natl Cardiovasc Ctr, Dept Internal Med, Div Cardiol, Suita, Osaka 5658565, Japan
[2] Natl Cardiovasc Ctr, Dept Cardiovasc Surg, Suita, Osaka 5658565, Japan
来源：
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY | 2012年 / 35卷 / 03期
关键词：
T-wave oversensing; CRT; device malfunction; CARDIAC-RESYNCHRONIZATION; DEFIBRILLATORS; PART;
D O I：
10.1111/j.1540-8159.2010.02855.x
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
This case report describes abrupt heart rate fallings below the lower pacing rate limit in a patient with cardiac resynchronization therapy (CRT). Interrogated information including stored episodes or data regarding the lead did not show any device problems and only simultaneous intracardiac electrogram revealed the cause, T-wave oversensing during biventricular pacing. At this moment, CRT has become an established modality for patients with severe heart failure. However, bradycardia below the lower rate limit during biventricular pacing due to T-wave oversensing would exacerbate heart failure in patients with CRT. We should notice this latent risk and correct the malfunction immediately. (PACE 2010; 14)
引用
收藏
页码：E55 / E58
页数：4
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