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| http://dx.doi.org/10.1016/j.hrcr.2023.04.016 | DOI Listing |
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Strains of a virtuoso: pacemaker infection and ventricular tachycardia in a violinist.
BMC Cardiovasc Disord
January 2025
Department of Hematology and Oncology, Shenzhen Children's Hospital of China Medical University, Shenzhen, 518038, China.
Purpose: Pacemaker-related infections are serious complications of cardiac implantable electronic devices (CIEDs). This case report aims to describe the occurrence of pacemaker pocket infection and recurrent ventricular tachycardia (VT) in a Chinese amateur violinist with sick sinus syndrome (SSS), and to explore the possible connection between occupational habits and the infection, as well as VT.
Methods: A 76-year-old male violinist with a Biotronik Evia DR dual-chamber pacemaker presented with syncope and signs of a pacemaker pocket infection three years after implantation.
Case Report: Left ventricular assist device implantation combined with cryoballoon ablation for ventricular tachycardia.
Front Surg
January 2025
Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
We report a case of a patient with dilated cardiomyopathy who experienced recurrent ventricular tachycardia (VT) and multiple defibrillations following CRT-D implantation. Due to worsening cardiac function, the patient required surgical implantation of a left ventricular assist device (LVAD) as a bridge to heart transplantation. During the procedure, we used the Ensite three-dimensional mapping system to perform activation and substrate mapping of the VT targets, followed by endocardial and epicardial cryoballoon ablation of clinical VT.
View Article and Find Full Text PDFAtypical Atrial Flutter: Electrophysiological Characterization and Effective Catheter Ablation.
J Cardiovasc Electrophysiol
January 2025
Division of Cardiology, Geneva University Hospitals, Geneva, Switzerland.
Atrial flutter (AFL), defined as macro-re-entrant atrial tachycardia, is associated with debilitating symptoms, stroke, heart failure, and increased mortality. AFL is classified into typical, or cavotricuspid isthmus (CTI)-dependent, and atypical, or non-CTI-dependent. Atypical AFL is a heterogenous group of re-entrant atrial tachycardias that most commonly occur in patients with prior heart surgery or catheter ablation.
View Article and Find Full Text PDFA 17-year-old patient presented with frequent palpitations, where the tachycardia was not sustained and could not be induced, making it impossible to pinpoint the earliest activation site using the activation map. However, by utilizing a dual-chamber electrogram-based pace mapping technique, we successfully identified the origin and achieved effective treatment.
View Article and Find Full Text PDFOnce a saint, now a sinner: An appropriate or inappropriate shock?
J Arrhythm
February 2025
Department of Cardiology, Electrophysiology Division Sree Chitra Tirunal Institute for Medical Sciences and Technology Thiruvananthapuram Kerala India.
Critical analysis of electrograms of any therapy delivery event is paramount to identify the etiology, specificity, and sensitivity of the programmed algorithms to differentiate supraventricular versus ventricular tachycardia, its effectiveness, and potential interventions to prevent recurrence. Besides the aspects mentioned above, this case delves into the potential limitations of existing algorithms and the adverse effects of anti-tachycardia pacing.
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