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Eur Heart J Case Rep
May 2022
Department of Cardiovascular Sciences, University of Leicester, Leicester, UK.
Background: Minimizing right ventricular (RV) pacing to reduce the progression of heart failure is an established practice. Proprietary algorithms to reduce unnecessary RV pacing have been incorporated into both simple and complex cardiac pacemaker devices, for reducing the possibility of heart failure and arrhythmias.
Case Summary: We present a case of a 43-year-old male implanted with a dual-chamber primary prevention implantable cardioverter-defibrillator (AUTOGEN EL, Boston Scientific) for sudden cardiac death.
Trasient asynchronous pacing due to abnormal sensing function is reported in two patients with inserted demand pacemakers during the early phase of acute myocardial infarction. The hazards of the pacemaker induced parasystole with R on T phenomenon in conditions of enhanced electrical instability could be successfully overcome applying overdrive suppression of the inserted pacing system by external chest wall stimulation.
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