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An Unusual ECG Finding during Adenosine Stress Myocardial Perfusion Imaging.
Indian J Nucl Med
November 2024
Department of Cardiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Adenosine is extensively utilized in myocardial stress perfusion imaging for the detection and risk stratification of coronary artery disease. It has a well-established safety profile. The majority of the undesirable effects experienced during adenosine infusion are transient (owing to its brief half-life of ~10 s) and arise from the stimulation of receptors in the atrio-ventricular (AV) node (AV block) and bronchial smooth muscles (bronchospasm).
View Article and Find Full Text PDF[Patch Closure of the Ventricular Septal Defect].
Kyobu Geka
September 2024
Department of Pediatric Cardiovascular Surgery, JCHO Kyushu Hospital, Kitakyushu, Japan.
Article Synopsis
- Ventricular septal defect (VSD) is the most common type of congenital heart disease and often requires surgical intervention.
- The VSD patch closure surgery is crucial not only for simple VSDs but also for more complex congenital heart defects like tetralogy of Fallot and complete atrioventricular septal defect.
- To ensure successful closure without complications, surgeons must have a thorough understanding of VSD anatomy and skillfully perform sutures and ligatures.
A narrow complex tachycardia with a short HV interval: What is the mechanism?
Pacing Clin Electrophysiol
January 2025
Division of Cardiology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
The case was a 15-year-old male with a history of paroxysmal supraventricular tachycardia refractory to medical therapy and prior catheter. A repeat electrophysiology study and catheter ablation were applied. Baseline AH and HV intervals were 100 and 55 ms during normal sinus rhythm (NSR), respectively.
View Article and Find Full Text PDF[Clinical characterization of patients with complete fetal atrioventricular block].
Arch Cardiol Mex
November 2024
Servicio de Cardiología Pediátrica, Instituto Guatemalteco de Seguridad Social, Ciudad de Guatemala, Guatemala.
The following article seeks to describe the clinical characterization of patients with congenital complete atrioventricular block. Information was collected from different sources, among which is the presentation of the pathology and its impact on the fetus, and the main basis was look for an association between the use of medications and its prognosis. Within the treatment to be used in patients with fetal atrioventricular block, the use of steroids, beta-adrenergic stimulators, plasma, etc.
View Article and Find Full Text PDFArrhythmias May Hide a Genetic Cardiomyopathy in Left Ventricular Hypertrabeculation in Children: A Single-Center Experience.
Children (Basel)
October 2024
Pediatric Cardiology and Cardiac Arrhythmias Complex Unit, Bambino Gesù Children's Hospital IRCCS, 00050 Rome, Italy.
Article Synopsis
- Left ventricular hypertrabeculation (LVHT) is a heart condition that can lead to various symptoms, including serious issues like heart failure and arrhythmias, making it difficult to identify which cases are benign versus pathological.
- A study analyzed 140 pediatric patients with LVHT over ten years, and found that 23.6% of them experienced arrhythmias, with various types identified, including supraventricular and ventricular arrhythmias.
- Results indicated a significant relationship between specific genetic variants (class 4 or 5) and the occurrence of arrhythmias, while the patients generally had good outcomes, with no reported sudden cardiac deaths.
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