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A 72-year-old woman underwent left bundle branch area pacing, and subsequent transthoracic echocardiography demonstrated potential septal lead perforation. Transesophageal echocardiography revealed an intracardiac mass, which resolved with anticoagulation. This case highlights left ventricular thrombus as a potential complication of septal lead perforation.

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Objective: To evaluate systematically the feasibility and effectiveness of His Bundle Pacing (HBP) for cardiac resynchronization therapy.

Methods: A comprehensive search was conducted in PubMed, EMbase, WOS, Cochrane Library, Medline, and SinoMed for studies published between December 2003 and December 2023. Primary clinical outcomes included implantation success, QRS wave duration, pacing threshold, left ventricular ejection fraction (LVEF), left ventricular end-diastolic diameter (LVEDD), New York Heart Association (NYHA) cardiac function class, and complications.

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Automated Classification of Cardiac Arrhythmia using Short-Duration ECG Signals and Machine Learning.

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Accurate detection of cardiac arrhythmias is crucial for preventing premature deaths. The current study employs a dual-stage Discrete Wavelet Transform (DWT) and a median filter to eliminate noise from ECG signals. Subsequently, ECG signals are segmented, and QRS regions are extracted for further preprocessing.

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Spontaneous resumption of severe infranodal conduction disturbances that followed COVID-19 vaccination.

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Department of Cardiology, Central Japan International Medical Center, Gifu, Japan; Department of Cardiology, Graduate School of Medicine, Gifu University, Gifu, Japan; Department of Molecular Pathophysiology, Shinshu University Graduate School of Medicine, Matsumoto, Nagano, 390-8621, Japan.

We report reversible severe infranodal conduction disturbances that followed COVID-19 vaccination in a young woman. Right and left bundle branch conduction were impaired and recovered at different times, resulting in reversible paroxysmal complete atrioventricular block.

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Background: Transthyretin cardiac amyloidosis is associated with various arrhythmias, including atrioventricular block. Despite this correlation, established treatments for transthyretin cardiac amyloidosis-associated arrhythmias are lacking. Left bundle branch area pacing is a promising physiological pacing technique.

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