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Focal atrial tachycardia mimicking catecholaminergic polymorphic ventricular tachycardia: a case report.
Eur Heart J Case Rep
November 2023
Department of Internal Medicine I, University of Wuerzburg, University Clinic, Oberdürrbacherstraße 6, Wuerzburg D-97080, Germany.
Background: In childhood and adolescence, cardiac arrhythmias are often benign in the absence of congenital heart defects. Nevertheless, life-threatening inherited arrhythmogenic syndromes can become clinically manifest in early childhood. As early symptoms may be similar in both conditions, thorough workup is fundamental to avoid delayed diagnosis and misdiagnosis.
View Article and Find Full Text PDFBeat-to-beat QRS alternans.
Heart Rhythm
November 2023
Division of Cardiology, Section of Electrophysiology, University of California San Francisco, San Francisco, California. Electronic address:
Aberrant Ventricular Conduction: Revisiting an Old Concept.
Heart Lung Circ
May 2023
CardioScan Pty Ltd, 293 Camberwell Rd, Melbourne, Vic, Australia; Department of Cardiology, The Royal Melbourne Hospital and the Department of Medicine, University of Melbourne, Vic, Australia. Electronic address:
Article Synopsis
- Aberrant ventricular conduction, a concept introduced over 100 years ago, is often misunderstood despite advancements in cardiac science, as it primarily originates from the His-Purkinje system's physiological refractoriness rather than true conduction system disease.
- This phenomenon can present itself through various patterns such as premature atrial ectopics and the Ashman phenomenon, which complicate the diagnosis and management of broad complex tachycardia.
- Recognizing and differentiating aberrant ventricular conduction from ventricular tachyarrhythmias is crucial, as they have different treatment strategies and prognostic outcomes; the review aims to clarify ECG characteristics for precise interpretation.
Aberrant QRS morphologies during atrial tachycardia: What is the mechanism?
Heart Rhythm
July 2023
Cardiovascular Division, Washington University in St. Louis School of Medicine, St. Louis, Missouri. Electronic address:
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