Annals of Noninvasive Electrocardiology最新文献

{"title":"A Tale of Two Conditions: Pediatric Brugada Syndrome Unveiled-Navigating the Challenges of Coexisting Arrhythmia and Fever-Induced ECG Pattern.","authors":"Hei-To Leung, Sit-Yee Kwok, Fong-Ying Shih, Kin-Shing Lun, Tak-Cheung Yung, Sabrina Tsao","doi":"10.1111/anec.70009","DOIUrl":"10.1111/anec.70009","url":null,"abstract":"<p><strong>Background: </strong>Brugada syndrome (BrS) is an inherited channelopathy characterized by right precordial ST-segment elevation. This study investigates the clinical and genetic characteristics of children with BrS in Hong Kong.</p><p><strong>Methods: </strong>A retrospective review was conducted at the only tertiary pediatric cardiology center in Hong Kong from 2002 to 2022, including all pediatric BrS patients under 18 years old. The diagnosis of BrS was established with a type 1 ECG pattern detected spontaneously or induced by flecainide, excluding secondary causes.</p><p><strong>Results: </strong>Eight probands of mean age 10 years old were identified. Male dominance was observed (6 boys vs. 2 girls). The mean follow-up duration was 4.6 years (Median 3.5 years). Patients had type 1 ECG pattern either spontaneously (n = 4) or provoked by flecainide (n = 4). Fever was present in seven patients at the initial presentation, and two patients experienced aborted cardiac arrest and one had symptomatic ventricular tachycardia. All symptomatic patients received implantable cardioverter-defibrillator placement. Five asymptomatic patients (62.5%) were diagnosed with BrS through ECG during febrile illness, and they remained asymptomatic following conservative management involving strict fever control and medication avoidance. Two patients with mixed phenotype (one with long QT syndrome and another with ectopic atrial tachycardia) required antiarrhythmics and one patient received transcatheter ablation for atrial tachycardia to achieve optimal arrhythmia control.</p><p><strong>Conclusion: </strong>Fever plays a significant role in unmasking BrS in children. Asymptomatic children with BrS managed conservatively have a favorable prognosis. Difficult arrhythmia control was found in patients with mixed phenotype.</p>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":"e70009"},"PeriodicalIF":1.1,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11671451/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142891542","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}

{"title":"Electrocardiographic Changes in Pregnant Patients With Congenital Heart Disease For the STORCC Investigators.","authors":"Maria A Pabon, Amrit Misra, Kimberlee Gauvreau, Madeline E Duncan, Ava Conklin, Katherine E Economy, Fred M Wu, Thomas Tadros, Anne Marie Valente","doi":"10.1111/anec.70037","DOIUrl":"https://doi.org/10.1111/anec.70037","url":null,"abstract":"<p><strong>Background: </strong>Electrocardiograms (EKGs) are routinely performed in pregnant patients with pre-existing cardiovascular disease. However, in pregnant patients with congenital heart disease (CHD), EKG changes during gestation have not been explored.</p><p><strong>Methods: </strong>We performed a retrospective study of pregnant patients with CHD enrolled in the STORCC initiative. Patients were included if they had at least two EKGs across the perinatal period and were grouped by specific conditions: atrial septal defect (ASD), tetralogy of Fallot, congenital pulmonary stenosis, coarctation of the aorta (CoA), bicuspid aortic valve (BAV), systemic right ventricle (SRV), and Fontan circulation. EKG parameters were measured in all available EKGs by two investigators, blinded to diagnosis and time of gestation.</p><p><strong>Results: </strong>One hundred and seventy pregnant patients were included. There was a statistically significant increase in HR from pre-pregnancy to third trimester in all groups except for those with Fontan and SRV. Patients with ASD and BAV had a statistically significant increase in their QTc (ASD:13 ms, p = 0.017; BAV:7 ms, p = 0.018) during pregnancy. QRS duration was shorter (4 ms) in the third trimester for patients with ASD (p = 0.033) and CoA (p = 0.014). Despite these individual findings, EKG parameters remained within normal limits and regressed to baseline in the postpartum period.</p><p><strong>Conclusions: </strong>Patients with CHD have statistically significant EKG changes throughout pregnancy, but the values remain within normal limits. Like patients without heart disease, those with CHD increase their HR during pregnancy, except individuals with SRV and Fontan, who appear to lack capacity for physiologic HR augmentation.</p>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":"e70037"},"PeriodicalIF":1.1,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11705495/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142943315","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}

{"title":"The Value of P-Wave Parameters Changes in Predicting Catheter Ablation Outcomes for Paroxysmal Atrial Fibrillation.","authors":"Ibrahim Antoun, Xin Li, Zakariyya Vali, Ahmed Kotb, Ahmed Abdelrazik, Ivelin Koev, Riyaz Somani, G André Ng","doi":"10.1111/anec.70047","DOIUrl":"10.1111/anec.70047","url":null,"abstract":"<p><strong>Background: </strong>Pulmonary vein isolation (PVI) is the most promising management method for paroxysmal atrial fibrillation (PAF). The P wave in the electrocardiogram (ECG) represents atrial depolarization. This study aims to correlate P-wave parameters after PVI with outcomes.</p><p><strong>Methods: </strong>This single-center retrospective study included consecutive patients with first-time PVI for PAF between 2018 and 2019 and targeted pulmonary veins (PVs). Procedure success was defined by freedom of ECG-documented AF at 12 months. Digital 12 leads ECGs with 1-50 hertz bandpass filter were monitored before the procedure. P-wave amplitude (PWA) and P-wave terminal force in V1 (PTFV1) Corrected P-wave duration (PWDc), and P-wave dispersion (PWDisp), were measured before and after ablation.</p><p><strong>Results: </strong>The final analysis included 180 patients, of which 130 (72%) had successful ablations and 53 (30%) had radiofrequency ablation (RF). Males comprised 71% of the patients; the mean age was 60. Demographics were similar between both arms p < 0.001. Patients with failed PVI had increased PWDc after PVI (139-146 ms, p < 0.001) compared to patients with successful PVI. PWA increased significantly after failed PVI (1.6-2 mV, p < 0.001) and successful PVI (1.6-1.8 mV, p = 0.008). PWD (hazard ratio [HR]: 2.5, 95% confidence interval [CI]: 1.4-4.2, p < 0.001) and PWA (HR: 1.7, 95% CI: 1.2-2.9, p = 0.03) were independently associated with PVI failure at 12 months. PWdisp and PTFV1 were not correlated with outcomes.</p><p><strong>Conclusion: </strong>Increased PWDc and PWA after PVI were independently associated with failed ablation for PAF, supporting the role of P-wave parameters in predicting outcomes.</p>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":"e70047"},"PeriodicalIF":1.1,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11686087/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142909221","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}

{"title":"Correction to “Prognostic Significance of the Holter-Derived T-Wave Variability in Patients With Ventricular Tachyarrhythmias Complicating Acute Coronary Syndrome—TWIST Study”","authors":"","doi":"10.1111/anec.70046","DOIUrl":"https://doi.org/10.1111/anec.70046","url":null,"abstract":"<p>Makino, T., Ichikawa, T., Amino, M., Nakamura, M., Koshikawa, M., Motoike, Y., Nomura, Y., Harada, M., Sobue, Y., Watanabe, E., Kiyono, K., Yoshioka, K., Ikari, Y., Ozaki, Y., &amp; Izawa, H. (2023). Prognostic significance of the Holter-derived T-wave variability in patients withventricular tachyarrhythmias complicating acute coronary syndrome—TWIST study. Annals of Noninvasive Electrocardiology, 28, e13069. https://doi.org/10.1111/anec.13069</p><p>The new affiliation has been added to the first coauthor Taro Makino and the affiliation detail is shown below.</p><p>Taro Makino MD^1,4</p><p>⁴Department of Cardiology, Fujita Health University School of Medicine, Toyoake, Japan</p><p>We apologize for this error.</p>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/anec.70046","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142868854","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}

{"title":"Examining the Effects of Different Exertion Levels and Reference Standards on the Diagnostic Accuracy of Exercise ECG for Detecting Coronary Artery Disease — A Pilot Study","authors":"Julius Heimann,&nbsp;Thomas Schramm,&nbsp;Martin Grauduszus,&nbsp;Christine Joisten","doi":"10.1111/anec.70042","DOIUrl":"https://doi.org/10.1111/anec.70042","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Exercise electrocardiogram (ECG) is frequently used for evaluating patients with suspected coronary artery disease (CAD). However, it has been downgraded in international guidelines due to a limited sensitivity and specificity, compared with other non-invasive tests.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We hypothesized, that a sufficient exertion going beyond 85% of the age predicted maximal heart rate (APMHR), by considering the achieved level of workload can improve sensitivity and specificity of the exercise ECG. Secondly, the performance of exercise ECG, when evaluated against a functional reference standard has barely been investigated, although an improved diagnostic accuracy has been reported for other non-invasive tests in this case. Therefore, in this pilot study, a total of 147 patients without known CAD who underwent exercise ECG followed by coronary angiography within 90 days were retrospectively evaluated.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The combined end point of 85% of APMHR and 75% of the predicted workload showed a slight but not statistically significant benefit over APMHR alone (66.7% vs. 58.1%; <i>p</i> = 0.545). The sensitivity of ST-segment depression was 51.3% for detecting anatomically defined CAD and 62.5% for functionally relevant CAD (<i>p</i> = 0.378).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Although the results of this pilot study lack statistical significance, the numeric differences clearly justify further research on this topic.</p>\u0000 </section>\u0000 </div>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/anec.70042","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142868853","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}

{"title":"Intermittent Short Atrioventricular Delay in a Dual Chamber Pacemaker During Acute Pulmonary Edema","authors":"Ravi Vazirani,&nbsp;Miriam García Cocera,&nbsp;David Calvo","doi":"10.1111/anec.70045","DOIUrl":"https://doi.org/10.1111/anec.70045","url":null,"abstract":"<p>We present the case of an 80-year-old female with acute pulmonary edema and a dual chamber pacemaker with intermittent short AV delays in the surface ECG after blocked premature atrial contractions (PACs). The behavior was consistent with the programmed Window of Atrial Rate Acceleration Detection (WARAD) and did not require further parameter modifications. As most cardiologists and emergency department physicians are not familiar with brand-specific algorithms, we believe that this case report will make these noncompetitive atrial pacing algorithms more accessible to non-cardiologists.</p>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/anec.70045","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851454","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}

{"title":"The Role of P-Wave Variables in Enhancing Prediction of New-Onset Atrial Fibrillation in Patients With Acute Myocardial Infarction","authors":"Na Yang,&nbsp;Xiaoyan Li,&nbsp;Bo Wu,&nbsp;Longhao Dai,&nbsp;Shaobin Yang,&nbsp;Qinning Zhang,&nbsp;Shaobin Jia","doi":"10.1111/anec.70041","DOIUrl":"10.1111/anec.70041","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>After acute myocardial infarction (AMI), it is common to observe new-onset atrial fibrillation (NOAF), which is often related to a negative prognosis. Some P-wave variables (P-wave duration [PWD], P-wave amplitude, and interatrial block [IAB]), reflecting the process of electrical and structural remodeling, could predict the risk of atrial fibrillation (AF). This study aimed to assess the predictive value of P-wave variables for post-AMI NOAF.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We retrospectively analyzed 1581 AMI patients with no prior AF, using follow-up data from January 2023 to January 2024. P-wave variables were measured, and patients were grouped based on in-hospital NOAF occurrence.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Overall, 164 (10.3%) of the 1581 patients had NOAF. The age (61.08 ± 12.02 vs. 67.91 ± 11.60, <i>p</i> &lt; 0.001), left atrial size (36.31 ± 3.94 vs. 39.12 ± 5.51, <i>p</i> &lt; 0.001), Brain Natriuretic Peptide (1588.45 ± 3346.18 vs. 3864.39 ± 6251.92, <i>p</i> &lt; 0.001), P-wave variables (PWD: 102.78 ± 12.56 vs. 117.88 ± 18.81, <i>p</i> &lt; 0.001; P-wave amplitude: 0.12 ± 0.04 vs. 0.13 ± 0.04, <i>p</i> = 0.041; interatrial block: 89.6% vs. 10.3%, <i>p</i> &lt; 0.001), congestive heart failure (4.7% vs. 23.2%, <i>p</i> &lt; 0.001), and Killip &gt; 1 (25.3% vs. 55.5%, <i>p</i> &lt; 0.001) showed significant differences between the non-AF and NOAF groups. P-wave variables were significantly associated with an increased risk of NOAF in multivariable regression analysis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The addition of P-wave variables to AF risk factors from literature and guidelines significantly improved NOAF risk discrimination. P-wave variables were strongly associated with NOAF after AMI. Adding these variables enhanced the predictive performance for post-AMI NOAF.</p>\u0000 </section>\u0000 </div>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/anec.70041","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142845677","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}

{"title":"The Characteristics and Clinical Analysis of Lorenz Plot of Neonatal Atrial Tachycardia","authors":"Fei Zheng,&nbsp;Tingting Yu,&nbsp;Xin Wei,&nbsp;Jie Wen,&nbsp;Hualian Li","doi":"10.1111/anec.70022","DOIUrl":"10.1111/anec.70022","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Lorenz plot (LP) analysis enhances the accuracy of arrhythmia diagnosis and serves as an attractive diagnostic tool for patients with arrhythmias. We explored the utility of the LP in the classification of various types of neonatal atrial tachycardia and evaluated the treatment effects and prognosis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Ninety-six newborns with atrial tachycardia had their dynamic electrocardiograms and clinical data collected between January 2018 and June 2023. They were divided into different atrial tachycardia groups based on the morphological characteristics of the LP. The clinical features of the patients in each group were also analyzed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Neonates were divided into multifocal (30%, 31.25%), parasystole (19%, 19.79%), and atrial premature beat-induced atrial tachycardia (47%, 48.96%) groups. It was demonstrated that the prevalence of cardiac structural abnormalities, viral infections, myocardial injury, and heart failure was significantly increased in the multifocal atrial tachycardia group.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The analysis of distinct LP patterns allowed for the identification and classification of neonatal atrial tachycardia, which could improve the diagnostic efficiency of neonatal atrial tachycardia and assist clinical physicians in making better management strategies based on the type of atrial tachycardia.</p>\u0000 </section>\u0000 </div>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11625386/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790943","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}

{"title":"Prevalence and Clinical Significance of Early Repolarization in Athletes: A Systematic Review","authors":"Khaled Elenizi","doi":"10.1111/anec.70032","DOIUrl":"10.1111/anec.70032","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Early repolarization (ER) is an electrocardiographic pattern characterized by J-point and ST-segment elevation, frequently observed in athletes. Initially deemed benign, recent studies suggest a possible association between ER and increased risks of cardiac arrhythmias and sudden cardiac death, necessitating a thorough examination of its clinical implications in athletes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A comprehensive literature review was conducted using MEDLINE (via PubMed) and EMBASE databases, focusing on articles related to ER in athletes. Search terms included “early repolarization,” and relevant studies were selected based on their focus on athletic populations. A total of 22 articles were included for detailed analysis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The review encompassed 22 studies with a combined total of 44,326 athletes, revealing an overall mean ER prevalence of 31.6 ± 17.6 (<i>p</i> &lt; 0.001). Most common location in the inferolateral region at 32.28%. The prevalence varied significantly across studies, ranging from 7% to 89%, influenced by factors such as age, gender distribution, and athletic discipline. Male athletes exhibited a higher incidence of ER compared with females, and endurance athletes showed a greater prevalence than strength athletes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>ER is notably prevalent among athletes, especially males and those engaged in endurance sports. Current studies do not establish a direct association between ER and increased mortality in athletes. Further research is essential to refine risk stratification criteria and develop appropriate management strategies to ensure athlete safety while maintaining optimal performance levels.</p>\u0000 </section>\u0000 </div>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11625384/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790940","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}

{"title":"Transient Left Bundle Branch Block Induced Acute Heart Failure as a Consequence of Ramus Intermedius Occlusion","authors":"Mehmet Eren,&nbsp;Yalcin Velibey","doi":"10.1111/anec.70038","DOIUrl":"10.1111/anec.70038","url":null,"abstract":"<p>We present a case of acute decompensated heart failure due to transient left bundle branch block (LBBB) as a consequence of a ramus intermedius (RI) occlusion. A 63-year-old woman was admitted with acute onset of typical chest pain and pulmonary edema, a newly diagnosed LBBB and left ventricular (LV) systolic dysfunction. A coronary angiogram demonstrated critical stenosis at the osteal segment of RI. After successful coronary revascularization, LBBB was completely resolved, with an improvement in LV systolic function and symptoms. In terms of anatomical blood supply of the left bundle branch, transient LBBB as a consequence of an RI occlusion is unusual.</p>","PeriodicalId":8074,"journal":{"name":"Annals of Noninvasive Electrocardiology","volume":"30 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2024-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11625385/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790945","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}