Variability of atrial sensing during exercise in a patient with a dual chamber ICD caused inappropriate ICD discharges

被引:7
作者
Glotzer, TV
Radoslovich, GA
Neglia, J
Zimmerman, JM
机构
[1] Hackensack Univ Med Ctr, Sect Electrophysiol, Hackensack, NJ 07601 USA
[2] Medtron Inc, Minneapolis, MN USA
来源
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY | 1999年 / 22卷 / 12期
关键词
ICD; atrial sensing; inappropriate discharge;
D O I
10.1111/j.1540-8159.1999.tb00424.x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
We present the case of a patient with a dual chamber implantable cardioverter defibrillator (ICD) who experienced inappropriate ICD discharges during exercise. Interrogation of the ICD revealed intermittent atrial undersensing during exercise that was responsible for the erroneous classification by the ICD of sinus tachycardia as ventricular tachycardia. Monitoring of the intracardiac electrograms and Marker Channels during an exercise test confirmed a marked decrease in P wave amplitude during exercise. By increasing the atrial sensitivity setting the problem wets resolved.
引用
收藏
页码:1838 / 1841
页数:4
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