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Epicardial connection between superior vena cava and right atrium contributes to subsequent atrial fibrillation: a case report.
Eur Heart J Case Rep
January 2025
Cardiovascular Centre, Social Medical Corporation Steel Memorial Yawata Hospital, 1-1-1 Haruno-machi, Yahatahigashi-ku, Kitakyushu 805-8508, Japan.
Background: The superior vena cava (SVC) acts as a non-pulmonary vein (PV) trigger for atrial fibrillation (AF) in 2%-6% of patients and harbours 25%-40% of non-PV foci. Approximately 10% of patients with AF have epicardial connections (ECs) between the atrium and PV inside the PV isolation lines, which are associated with AF recurrence. However, the contribution of EC(s) between the SVC and right atrium (RA) to subsequent AF remains unknown.
View Article and Find Full Text PDFArrhythmogenic Right Ventricular Cardiomyopathy Presenting With VT Electrical Storm.
J Community Hosp Intern Med Perspect
January 2025
Corewell Health South, Saint Joseph, MI, USA.
Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC) is a right ventricular disease caused by desmosomal gene mutations leading to fibro-fatty replacement of the myocardium causing ventricular arrhythmias such as ventricular tachycardia (VT). A 59-year-old female presented with new onset VT manifesting as shortness of breath and chest discomfort. Diagnostic workup revealed right ventricular dilation/dysfunction on echocardiogram, VT with left bundle branch block (LBBB) and diffuse T wave inversions (TWIs) on EKG.
View Article and Find Full Text PDFResistant Ventricular Tachycardia: What Are We Missing?
Heart Rhythm
January 2025
Division of Cardiology, University of California San Francisco, San Francisco, California, United States of America. Electronic address:
Bone lesion cryotherapy: pictorial review and review of current evidence.
Br J Radiol
January 2025
Department of radiology, Royal Orthopaedic Hospital, Bristol Road South, B31 2AP, Birmingham, UK.
Over the last two decades the development of small probes has enabled percutaneous use of cryotherapy. Cryotherapy, also known as cryoablation, enables the treatment of much larger lesions than other thermal ablation techniques, particularly when using multiple evenly spaced probes. Using rapid cooling to as low as -200 degrees Celsius (at the tip of the probe), reliable, and predictable necrosis can be induced.
View Article and Find Full Text PDFAnalysis of junctional beats during slow pathway ablation: Illuminating the mechanism of typical and atypical AV nodal re-entrant tachycardia.
Heart Rhythm O2
December 2024
Department of Cardiovascular Medicine, Kyorin University School of Medicine, Mitaka, Japan.
Background: Junctional rhythm (JR) frequently occurs during radiofrequency (RF) ablation procedures targeting the slow pathway (SP) for atrioventricular nodal re-entrant tachycardia (AVNRT), signaling successful ablation. Two types of JR have been noticed: typical JR as His activation preceding atrial activation, and atypical JR as atrial activation preceding the His activation. Nevertheless, the origin and characteristics of JR remain incompletely defined.
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