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  • Title: [Ventricular bigeminy as a cause of CRT inefficacy and inappropriate cardioverter-defibrillator intervention].
    Author: Oreziak A, Przybylski A, Walczak F.
    Journal: Kardiol Pol; 2009 Jul; 67(7):807-11. PubMed ID: 19650008.
    Abstract:
    Double counting of ventricular beats is not only one of the cause of an inappropriate detection of ventricular arrhythmias but a reason of lost of resynchronisation therapy. Sensing disturbances often creates the need for reprogramming of the device or additional pharmacotherapy and procedures. We present a case of 76-year-old man with CRT-D and inappropriate detection and intervention due to ventricular bigeminy. Fortunately, change of device program, potassium and magnesium supplementation was successful, without necessity of RF ablation of the ventricular ectopic beats.
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