Journal of electrocardiology最新文献

{"title":"Bradycardia-dependent conduction block of the atrial tissue in a patient after double-chamber implantable cardioverter defibrillator implantation","authors":"Kailun Zhu ,&nbsp;Zhanxiong Zheng ,&nbsp;Yanxi Shi ,&nbsp;Jianjiang Xu ,&nbsp;Zhenliang Chu","doi":"10.1016/j.jelectrocard.2024.153776","DOIUrl":"10.1016/j.jelectrocard.2024.153776","url":null,"abstract":"<div><p>Seldom are reports of phase 4 block or bradycardia-dependent conduction block in atrial tissue found in the literature. Here, we describe the case of a patient with sick sinus syndrome with Torsade de Pointes who, following the implantation of a double-chamber implantable cardioverter defibrillator, developed intra-atrial bradycardia-dependent conduction block. The patient's optimal pacing parameters were achieved by raising the rate.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141985030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A predictable electrocardiogram","authors":"Steven B. Wolfe MD ,&nbsp;S. Chandra Bose Reddy MD","doi":"10.1016/j.jelectrocard.2024.153775","DOIUrl":"10.1016/j.jelectrocard.2024.153775","url":null,"abstract":"<div><p>An electrocardiogram of an uncommon congenital heart disease is presented to highlight the unique findings in diagnosis with its clinical implications and predictive value.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141985031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Heart transplant recipient patient with palpitations","authors":"M.D. Sebastian Sanhueza ,&nbsp;M.D. Alejandro Paredes ,&nbsp;M.D. Alex Bittner ,&nbsp;M.D. Ismael Vergara","doi":"10.1016/j.jelectrocard.2024.153772","DOIUrl":"10.1016/j.jelectrocard.2024.153772","url":null,"abstract":"","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141985032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advanced Interatrial block induced by flecainide","authors":"Jillian Hall MD,&nbsp;Daniel Edmundowicz MS MD,&nbsp;Edmond Cronin MB BCh BAO","doi":"10.1016/j.jelectrocard.2024.153767","DOIUrl":"10.1016/j.jelectrocard.2024.153767","url":null,"abstract":"<div><p>We present a case of advanced interatrial block induced by flecainide toxicity. We discuss the implications of this conduction abnormality.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142083843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dressler - de Winter sign with acute inferoposterior STEMI: An ECG dilemma in artery localization","authors":"Xiao-Bin Zheng","doi":"10.1016/j.jelectrocard.2024.153769","DOIUrl":"10.1016/j.jelectrocard.2024.153769","url":null,"abstract":"<div><p>The Dressler-de Winter sign is an electrocardiogram (ECG) pattern characterized by upsloping ST-segment depression in leads V1-V6 followed by tall, hyperacute T waves, typically indicating an occlusion of the left anterior descending artery (LAD). We present a case involving an inferoposterior ST-segment elevation myocardial infarction (STEMI) with a variant of the de Winter sign, a concept of ST-segment continuum in the precordial leads. Despite initial ECG findings suggesting right coronary artery (RCA) or left circumflex artery (LCX) involvement, coronary angiography confirmed occlusion of the wrap-around LAD distal to the first septal (S1) and diagonal branch (D1) and revealed a left dominant system accompanied by a small non-dominant RCA. This case highlights the diagnostic complexity in accurately localizing the culprit artery in STEMI cases exhibiting the de Winter sign. Understanding such ECG variants is crucial for analyzing the mechanisms of acute ischemia and ensuring accurate assessment of the culprit vessel for effective revascularization.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141912893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rationale and design of the artificial intelligence scalable solution for acute myocardial infarction (ASSIST) study","authors":"Tomás Domingo-Gardeta ,&nbsp;José M. Montero-Cabezas ,&nbsp;Alfonso Jurado-Román ,&nbsp;Manel Sabaté ,&nbsp;Jaime Aboal ,&nbsp;Adrián Baranchuk ,&nbsp;Xavier Carrillo ,&nbsp;Sebastián García-Zamora ,&nbsp;Hélder Dores ,&nbsp;Viktor van der Valk ,&nbsp;Roderick W.C. Scherptong ,&nbsp;Joan F. Andrés-Cordón ,&nbsp;Pablo Vidal ,&nbsp;Daniel Moreno-Martínez ,&nbsp;Raquel Toribio-Fernández ,&nbsp;José María Lillo-Castellano ,&nbsp;Roberto Cruz ,&nbsp;François De Guio ,&nbsp;Manuel Marina-Breysse ,&nbsp;Manuel Martínez-Sellés","doi":"10.1016/j.jelectrocard.2024.153768","DOIUrl":"10.1016/j.jelectrocard.2024.153768","url":null,"abstract":"<div><h3>Background</h3><p>Acute coronary syndrome (ACS), specifically ST-segment elevation myocardial infarction is a major cause of morbidity and mortality throughout Europe. Diagnosis in the acute setting is mainly based on clinical symptoms and physician's interpretation of an electrocardiogram (ECG), which may be subject to errors. ST-segment elevation is the leading criteria to activate urgent reperfusion therapy, but a clear ST-elevation pattern might not be present in patients with coronary occlusion and ST-segment elevation might be seen in patients with normal coronary arteries.</p></div><div><h3>Methods</h3><p>The ASSIST project is a retrospective observational study aiming to improve the ECG-assisted assessment of ACS patients in the acute setting by incorporating an artificial intelligence platform, Willem™ to analyze 12‑lead ECGs. Our aim is to improve diagnostic accuracy and reduce treatment delays. ECG and clinical data collected during this study will enable the optimization and validation of Willem™. A retrospective multicenter study will collect ECG, clinical, and coronary angiography data from 10,309 patients. The primary outcome is the performance of this tool in the correct identification of acute myocardial infarction with coronary artery occlusion. Model performance will be evaluated internally with patients recruited in this retrospective study while external validation will be performed in a second stage.</p></div><div><h3>Conclusion</h3><p>ASSIST will provide key data to optimize Willem™ platform to detect myocardial infarction based on ECG-assessment alone. Our hypothesis is that such a diagnostic approach may reduce time delays, enhance diagnostic accuracy, and improve clinical outcomes.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141912894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Left bundle branch pacing guide by uninterrupted recording of intrinsic filtered and unfiltered intracardiac electrograms","authors":"Jiabo Shen MD ,&nbsp;Longfu Jiang MD ,&nbsp;Hengdong Li MD ,&nbsp;Hao Wu MD ,&nbsp;Lifang Pan MD","doi":"10.1016/j.jelectrocard.2024.153764","DOIUrl":"10.1016/j.jelectrocard.2024.153764","url":null,"abstract":"<div><h3>Background</h3><p>Currently, the interrupted recording technique is commonly used to perform left bundle branch (LBB) pacing (LBBP). However, this method requires repeated testing to confirm that the LBB is captured and perforations are avoided. An automated solution may make this repetitive work easier.</p></div><div><h3>Case summary</h3><p>LBBP was performed using an uninterrupted recording technique in an 86-year-old woman. Lead position and LBB capture was confirmed by the characteristics of the intrinsic filtered and unfiltered intracardiac electrograms.</p></div><div><h3>Conclusion</h3><p>Continuous mapping and recording technique may help achieve more accurate positioning of LBBP lead in the ventricular septum.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141848389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The feasibility of atrial Fibrillatory wave amplitude in predicting ablation outcomes in persistent atrial fibrillation","authors":"Linlin Wang MD ,&nbsp;Gang Yang MD ,&nbsp;Chang Cui MD ,&nbsp;Xiangwei Ding MD ,&nbsp;Weizhu Ju MD ,&nbsp;Hailei Liu MD ,&nbsp;Mingfang Li MD ,&nbsp;Hongwu Chen MD ,&nbsp;Kai Gu MD ,&nbsp;Zidun Wang MD ,&nbsp;Minglong Chen MD","doi":"10.1016/j.jelectrocard.2024.153766","DOIUrl":"10.1016/j.jelectrocard.2024.153766","url":null,"abstract":"<div><h3>Background</h3><p>Atrial fibrosis has a significant impact on the success rate of catheter ablation (CA) treatment of atrial fibrillation (AF). The fibrotic tissues could be reflected by the amplitude of the fibrillatory wave (F-wave).</p></div><div><h3>Methods and Results</h3><p>704 patients with persistent AF and at least 1-year follow-up after CA were included as the internal group. 101 patients from another hospital were used as the external validation cohort. A 12‑lead ECG was performed before CA and the maximum FWA in three ECG leads (aVL, aVF, V1) were measured. The FWA score (0 to 6 points according to the amplitude range of the three leads) of each patients was calculated. Five models including clinical features, FWA score, CHA2DS2-VASc score, APPLE score and the fusion of clinical features and FWA score were built. The FWA score was superior to the model constructed by clinical variables, CHA2DS2-VASc score and APPLE score. It not only had good predictive performance for AF recurrence, with an AUC value of 0.812 (95% CI 0.724–0.900), but also showed a significant predictive value for the recurrence rate according to F-wave amplitude. In the external validation cohort, the FWA score showed similar results (AUC 0.768, 95% CI 0.672–0.865).</p></div><div><h3>Conclusions</h3><p>The present study reveals the significant predictive value of the FWA score for persistent AF ablation recurrence.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141851508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bridging ECG learning with emerging technologies: Advancing clinical excellence","authors":"Anthony H. Kashou ,&nbsp;Peter A. Noseworthy ,&nbsp;Nandan S. Anavekar ,&nbsp;Ian Rowlandson ,&nbsp;Adam M. May","doi":"10.1016/j.jelectrocard.2024.153765","DOIUrl":"10.1016/j.jelectrocard.2024.153765","url":null,"abstract":"<div><p>As ECG technology rapidly evolves to improve patient care, accurate ECG interpretation will continue to be foundational for maintaining high clinical standards. Recent studies have exposed significant educational gaps, with many healthcare professionals lacking sufficient training and proficiency. Furthermore, integrating new software and hardware ECG technologies poses challenges about potential knowledge and skill erosion. This underscores the need for clinicians who are adept at integrating clinical expertise with technological proficiency. It also highlights the need for innovative solutions to enhance ECG interpretation among healthcare professionals in this rapidly evolving environment. This work explores the importance of aligning ECG education with technological advancements and proposes how this synergy could advance patient care in the future.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141847405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Brugada syndrome in a patient with AKAP9 mutation: Case report and review of the literature","authors":"Dongli Zhou ,&nbsp;Min Cheng","doi":"10.1016/j.jelectrocard.2024.153763","DOIUrl":"10.1016/j.jelectrocard.2024.153763","url":null,"abstract":"<div><p>Brugada syndrome (BrS) is a rare autosomal dominant inherited channel disorder characterized by a specific electrocardiographic pattern of right precordial ST-segment elevation. Clinically, patients may experience polymorphic ventricular tachycardia and ventricular fibrillation, leading to recurrent syncope and sudden cardiac death (SCD) in the absence of structural cardiomyopathy. The A-kinase anchor protein 9 (<em>AKAP9</em>) gene, located on chromosome 7, encodes the <em>AKAP9</em> protein, which plays a crucial role in regulating the phosphorylation of slowly activating delayed rectifier potassium channels (IKs). Here, we present a rare case of BrS associated with an insertion mutation in <em>AKAP9</em>, resulting in a frameshift mutation.</p></div>","PeriodicalId":15606,"journal":{"name":"Journal of electrocardiology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0022073624002334/pdfft?md5=8542c68933d9345652dabb761fbf0203&pid=1-s2.0-S0022073624002334-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141843623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}