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Duodromic atrioventricular reentry tachycardia: a case report of a rare adenosine insensitive supraventricular tachycardia.
Eur Heart J Case Rep
January 2025
Arrhythmology, Pacing and Electrophysiology Unit, Cardiology Service, Santa Marta Hospital, Central Lisbon Hospital University Centre, R. de Santa Marta 50, Lisboa 1169-024, Portugal.
Background: Accessory pathways (AP) are associated with an increased risk of atrioventricular reentry tachycardia (AVRT), presenting as a wide QRS tachycardia if the mechanism is antidromic. Rarely, AVRT may not respond to adenosine, suggesting a duodromic mechanism if the patient has multiple APs. Herein, we present a case of a male patient with multiple APs, wide QRS complex tachycardia, and resistance to adenosine.
View Article and Find Full Text PDFClinical Profile and Management of Wolf-Parkinson White Syndrome and Asymptomatic Pre-Excitation Carriers in Africa: A Multicenter Pan African Registry From 17 Countries.
J Cardiovasc Electrophysiol
January 2025
Douala Gyneco-obstetric and Pediatric Hospital/University of Douala, Douala, Cameroon.
Article Synopsis
- The study explores the management and diagnosis of Wolf-Parkinson White Syndrome (WPW) and asymptomatic pre-excitation in Africa, highlighting a lack of data in the region.
- Conducted in 20 centers across 17 African countries, the research involved 541 participants and focused on symptomatology, treatment approaches, and the impact of local health dynamics on care.
- Results indicated that a vast majority were diagnosed with WPW, with significant regional differences in treatment options and effectiveness, showing that Northern and Southern Africa have more advanced practices compared to other areas.
Pre-excitation alternans in a cat.
J Vet Cardiol
December 2024
Veterinary Specialty and Emergency Center of Thousand Oaks, 2967 North Moorpark Road, Thousand Oaks, CA 91360, USA.
A nine-year-old male neutered domestic shorthair cat presented on referral for evaluation. The cat presented to its primary veterinarian for acute onset vomiting, panting, and weakness. An electrocardiogram performed at the regular veterinarian was concerning for ventricular tachycardia, and the cat was referred for further evaluation.
View Article and Find Full Text PDFAssociation of Child Opportunity Index with Outcomes in Pediatric Supraventricular Tachycardia.
Pediatr Cardiol
November 2024
Department of Pediatrics, Heart Institute, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Article Synopsis
- The study examines the link between the Child Opportunity Index (COI) and the management and outcomes of pediatric supraventricular tachycardia (SVT), focusing on ablation use over a 5.5-year period.
- Researchers analyzed data from 306 SVT patients, finding that those with a low COI had significantly higher rates of hospital admissions compared to those with a high COI, but there was no difference in ablation utilization or outcomes across COI categories.
- The results suggest that while social determinants, indicated by COI, may influence hospital resource use, they have a limited effect on treatment effectiveness for SVT patients.
Impact of growth on electrophysiological properties of ventricular pre-excitation in paediatric athletes.
Cardiol Young
November 2024
Paediatric Cardiology and Cardiac Arrhythmias Complex Unit, Bambino Gesù Children's Hospital IRCCS, Rome, Italy.
Article Synopsis
- This study investigates how the electrophysiological properties of ventricular pre-excitation change in young athletes over time, particularly when assessing their eligibility for sports participation.
- A total of 44 pediatric patients were monitored over a minimum of two years, showing significant changes in parameters such as the accessory pathway's effective refractory period during stress tests, suggesting a need for regular follow-ups.
- The findings indicate that some patients shifted their risk profiles for cardiac issues, emphasizing the necessity of repeat electrophysiological evaluations to ensure accurate risk assessments for athletic activities.
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