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Automated differentiation of wide QRS complex tachycardia using QRS complex polarity.
Commun Med (Lond)
December 2024
Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA.
Background: Wide QRS complex tachycardia (WCT) differentiation into ventricular tachycardia (VT) and supraventricular wide complex tachycardia (SWCT) remains challenging despite numerous 12-lead electrocardiogram (ECG) criteria and algorithms. Automated solutions leveraging computerized ECG interpretation (CEI) measurements and engineered features offer practical ways to improve diagnostic accuracy. We propose automated algorithms based on (i) WCT QRS polarity direction (WCT Polarity Code [WCT-PC]) and (ii) QRS polarity shifts between WCT and baseline ECGs (QRS Polarity Shift [QRS-PS]).
View Article and Find Full Text PDFGranulomatosis with polyangiitis with cardiac and large vessel involvement: a case report with a constellation of rare complications.
Eur Heart J Case Rep
January 2025
Department of Cardiology, Christian Medical College, New Arcot Road, Vellore 632517, India.
Background: Granulomatosis with polyangiitis (GPA) is an autoimmune multisystem disorder characterized by small vessel vasculitis with granulomatous inflammation. In this report, we describe a unique case of GPA who presented with complete heart block (CHB) and developed complications due to intracranial large vessel involvement.
Case Summary: A 47-year-old gentleman presented with CHB with a background history of arthralgia and blood-tinged nasal discharge.
A new prediction model for sustained ventricular tachycardia in arrhythmogenic cardiomyopathy.
Front Cardiovasc Med
December 2024
Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.
Background: Arrhythmogenic cardiomyopathy (ACM) is an inherited cardiomyopathy characterized by high risks of sustained ventricular tachycardia (sVT) and sudden cardiac death. Identifying patients with high risk of sVT is crucial for the management of ACM.
Methods: A total of 147 ACM patients were retrospectively enrolled in the observational study and divided into training and validation groups.
Electrocardiography interpretation competency among pediatric and child health residents at Addis Ababa University, Ethiopia.
BMC Med Educ
December 2024
Department of Pediatrics and Child Health, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia.
Background: Electrocardiography (ECG) interpretation competency is vital to ensure the timely initiation of life-saving treatment for emergent ECG conditions. This competency has not been well-studied among pediatric and child health residents. Hence, the study aimed to determine the competency in ECG interpretation and its predictors among residents at the National University of Ethiopia.
View Article and Find Full Text PDFIn-silico pace mapping identifies pacing sites more accurately than inverse body surface potential mapping.
Heart Rhythm
December 2024
School of Biomedical Engineering and Imaging Sciences, King's College London, UK.
Background: Electrocardiographic imaging (ECGi) is a non-invasive technique for ventricular tachycardia (VT) ablation planning. However, it is limited to reconstructing epicardial surface activation. In-silico pace mapping combines a personalized computational model with clinical electrocardiograms (ECGs) to generate a virtual 3D pace map.
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