Potential Arrhythmogenic Risk of DDI/DDD Pacing Modes During Atrial Fibrillation

<p>A 67-year-old man with an implantable-cardioverter defibrillator (ICD) phoned our Department of Cardiology to report the occurrence of palpitations and dizziness. He was implanted two years before with a dual-chamber ICD (Energen F143, Boston Scientific, Natick, MA, USA) in primary preventi...

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Bibliographic Details
Main Authors: Giacomo Mugnai (Author), Livio Bertagnolli (Author), Ruggero Tomei (Author)
Format: Book
Published: Journal of Cardiovascular Medicine and Cardiology - Peertechz Publications, 2014-09-25.
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100 1 0 |a Giacomo Mugnai  |e author 
700 1 0 |a  Livio Bertagnolli  |e author 
700 1 0 |a Ruggero Tomei  |e author 
245 0 0 |a Potential Arrhythmogenic Risk of DDI/DDD Pacing Modes During Atrial Fibrillation 
260 |b Journal of Cardiovascular Medicine and Cardiology - Peertechz Publications,   |c 2014-09-25. 
520 |a <p>A 67-year-old man with an implantable-cardioverter defibrillator (ICD) phoned our Department of Cardiology to report the occurrence of palpitations and dizziness. He was implanted two years before with a dual-chamber ICD (Energen F143, Boston Scientific, Natick, MA, USA) in primary prevention for dilated cardiomyopathy with severely reduced left ventricular ejection fraction, without complication.</p><p>The device was programmed in DDI pacing mode in order to maintain atrial sensing and to assess the clinical burden of paroxysmal persistent atrial fibrillation. As the patient was followed with the wireless Remote monitoring, he was told to send a transmission to the hospital; the device was interrogated and two episodes of non sustained ventricular tachycardia with a maximum duration of eight seconds were observed. Electrical parameters were normal and similar to those at implantation. Analyzing EGMs, the physicians noticed that ventricular tachycardias were triggered by a particular, unusual way (Figure 1A).</p> 
540 |a Copyright © Giacomo Mugnai et al. 
546 |a en 
655 7 |a Case Report  |2 local 
856 4 1 |u https://doi.org/10.17352/2455-2976.000008  |z Connect to this object online.