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U wave manifesting in alternating beats: The bigeminal U wave. Can the U wave and the P wave be related?
Volume 93, November–December 2025, 154110Author links open overlay panel, , , Section snippetsCRediT authorship contributi...
Interatrial block and left atrial appendage thrombus: A manifestation of atrial cardiomyopathy rather than a direct association
Volume 93, November–December 2025, 154132Author links open overlay panelSection snippetsDeclaration of artificial intellig...
Electrocardiographic signs of left atrial remodeling and the diagnosis of non-obstructive coronary arteries (INOCA)
Volume 93, November–December 2025, 154131Author links open overlay panel, Section snippetsCRediT authorship contribution s...
Delayed QT prolongation and electrical storm following cardioversion
A 68-year-old woman developed delayed QT prolongation and Torsades de Pointes (TdP) following electrical cardioversion for...
Transient atypical advanced interatrial block in a pre-adolescent with sequelae of rheumatic fever
Andrés Ricardo Pérez-Riera: Writing – original draft, Validation, Investigation, Data curation, Conceptualization. Raimund...
Normal electrocardiographic patterns in school-aged children: Data from a sports cardiology screening program
Cardiovascular screening in children and adolescents has become a prominent concern, especially as more young individuals ...
An integrated fractional stockwell transform with atrous convolutions aided vision transformer based capsule network for fetal ECG arrhythmia detection
Research indicates that fetal cardiac arrhythmias affect 1 % of all pregnancies. Some estimates put the morbidity-causing ...
An elderly woman with bradycardia and progressive repolarization abnormalities
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Alternating bundle branch block with alternating PR interval
Sudipta Mondal: Writing – original draft, Validation, Supervision, Formal analysis, Data curation, Conceptualization. Anub...
Triphasic QRS morphology: What is the mechanism?
The atrial rhythm is sinus tachycardia at a rate of 116 beats per minute. The QRS complexes show a triphasic repeating pat...
Ventricular preexcitation in hypertrophic cardiomyopathy: Coincidence, clue, or concern?
The baseline 12‑lead ECG demonstrated a short PR interval with a delta wave and markedly increased QRS voltages consistent...
Which leads were swaped?
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Left bundle branch block on flecainide in Wolff-Parkinson-white syndrome
A 40-year-old male presented with recurrent paroxysmal palpitations, with one episode of pre-excited atrial fibrillation, ...
Intermittent fixed preexcitation: What is the mechanism?
The pre-excited complex may be observed with conduction over the NV, AV, NF, or AF pathways. FV-AP are extremely rare pree...
Narrow QRS tachycardia? What is the diagnosis?
Victoria Fanucci: Writing – review & editing, Writing – original draft, Software, Data curation. Utkarsh Kohli: Writin...
A hemodynamically stable wide complex tachycardia: What is the diagnosis?
Volume 93, November–December 2025, 154144Author links open overlay panelHannah E. Wey MD a, Timothy W. Smith DPhil, MD bSh...
Two beats for one: A hidden fire in the conduction system
Volume 93, November–December 2025, 154152Author links open overlay panel, , KeywordsDual atrioventricular nodal non-reentr...
An uncommon ECG presentation of post-Fontan patient: ECG challenge
Volume 93, November–December 2025, 154151Author links open overlay panel, , , AbstractWe report a 26-year patient with uni...
Septal notch plus loss of the septal q wave: A potential early ECG sign suggestive of interstitial septal fibrosis in heart disease
Available online 13 November 2025, 154155Author links open overlay panel, AbstractBackgroundEarly detection of interstitia...
Case report: Unusual focal atrial tachycardia from the left inferior pulmonary vein in a pediatric patient treated by high-power short duration catheter ablation
Available online 13 November 2025, 154156Author links open overlay panel, , , , AbstractWe describe an unusual case of foc...
Machine-learning computer-assisted ECG analysis to predict myocardial fibrosis in patients with hypertrophic cardiomyopathy
Hypertrophic cardiomyopathy (HCM) is the most common inherited cardiac disorder, characterized by an unexplained ventricul...
ECG based human activity-specific cardiac pattern detection using machine-learning and deep-learning models
Non-invasive cardiac pattern monitoring is essential for assessing how individuals respond to cognitive and physical stres...
High precision ECG digitization using artificial intelligence
The electrocardiogram (ECG) is a widely accessible diagnostic tool used to evaluate the electrical activity of the heart. ...
Electrocardiographic abnormalities in chagasic patients compared to the general population: A systematic review with updated meta-analysis
A century after its discovery, Chagas disease (CD) remains a serious public health issue, affecting 6 to 7 million people ...
A simple electrocardiographic model for an improved detection of chronic thromboembolic pulmonary hypertension after pulmonary embolism
Lukas Ley: Writing – original draft, Visualization, Software, Methodology, Investigation, Formal analysis, Data curation, ...
Sudden cardiac arrest in patients with hypertrophic cardiomyopathy: Are there electrocardiographic predictors?
Hypertrophic cardiomyopathy (HCM) is a relatively common genetic cardiac disorder. The prevalence of HCM in the general po...
Abnormal P wave terminal force in lead V1 is correlated with adverse cardiac remodeling in patients with left ventricular noncompaction: A useful noninvasive indicator of disease severity
Left ventricular noncompaction (LVNC), formally classified as a distinct cardiomyopathy by the American Heart Association ...
A practical review of generative AI in cardiac electrophysiology medical education
Volume 90, May–June 2025, 153903Author links open overlay panel, AbstractGenerative artificial intelligence (AI) is a comp...
Exploring mortality representation and the impact of COVID-19 in Modena: insights from “An ECG-based machine-learning approach for mortality risk assessment in a large European population”
P. Giovanardi: Writing – review & editing, Writing – original draft, Visualization, Supervision, Project administratio...
Electrocardiogram markers of all-cause dementia and dementia subtypes
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