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Journal of Electrocardiology

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https://www.readbyqxmd.com/read/29680299/corrigendum-to-interatrial-block-frailty-and-prognosis-in-elderly-patients-with-myocardial-infarction-j-electrocardiol-51-2018-1-7
#1
Eva Bernal, Antoni Bayés-Genís, Albert Ariza-Solé, Francesc Formiga, Maria T Vidán, Luis Alberto Escobar-Robledo, Jaime Aboal, Lídia Alcoberro, Carme Guerrero, Iván Ariza-Segovia, Ana Hernández de Benito, Pau Vilardell, José Carlos Sánchez-Salado, Victoria Lorente, Antoni Bayés de Luna, Manuel Martinez-Sellés
No abstract text is available yet for this article.
April 18, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29550105/high-grade-atrioventricular-block-in-patients-with-acute-myocardial-infarction-insights-from-a-contemporary-multi-center-survey
#2
Hilmi Alnsasra, Binyamin Ben-Avraham, Shmuel Gottlieb, Merav Ben-Avraham, Ran Kronowski, Zaza Iakobishvili, Ilan Goldenberg, Boris Strasberg, Moti Haim
High-grade atrioventricular block (HAVB) is a frequent complication of acute myocardial infarction (AMI) and is associated with increased morbidity and mortality. We aimed to evaluate the incidence, predictors, and prognostic significance of HAVB in a contemporary cohort of patients with AMI, in the recent era of early reperfusion. Patients with acute coronary syndromes (n=11,487) during the years 2000-2010 were included. Patients were divided into two groups: with HAVB (n=308, 2.7%) and without HAVB (n=11,179, 97...
March 7, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29550103/brugada-phenocopy-induced-by-recurrent-hyperkalemia-more-evidence-for-the-reproducibility-of-a-new-phenomenon
#3
Nestor Oliveira Neto, Luciano Pilla, William Santos Oliveira, Renata Nunes Velloso, Ferdinand Gilbert Maia, Antonio Luiz do Nascimento, Fabio Mastrocola
No abstract text is available yet for this article.
March 7, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29550107/recognising-the-de-winter-ecg-pattern-a-time-critical-electrocardiographic-diagnosis-in-the-emergency-department
#4
Hasan Qayyum, Sherif Hemaya, Justin Squires, Zulfiquar Adam
The de Winter ECG pattern is associated with proximal left anterior descending artery occlusion, being a significant risk factor for anterior wall ST elevation myocardial infarction. We present a case of a patient who attended our Emergency Department with chest pain and a prehospital ECG demonstrating transient infero-lateral lead ST segment elevation, which changed to the de Winter ECG pattern in our Emergency Department. She subsequently underwent primary PCI of the culprit lesion within the left anterior descending artery (LAD)...
March 6, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29550106/meta-analysis-of-t-peak-t-end-and-t-peak-t-end-qt-ratio-for-risk-stratification-in-congenital-long-qt-syndrome
#5
Gary Tse, Mengqi Gong, Lei Meng, Cheuk Wai Wong, Stamatis Georgopoulos, George Bazoukis, Martin C S Wong, Konstantinos P Letsas, Vassilios S Vassiliou, Yunlong Xia, Adrian M Baranchuk, Gan-Xin Yan, Tong Liu
BACKGROUND AND OBJECTIVES: Congenital long QT syndrome (LQTS) predisposes affected individuals to ventricular tachycardia/fibrillation (VF/VF), potentially resulting in sudden cardiac death. The Tpeak -Tend interval and the Tpeak -Tend /QT ratio, electrocardiographic markers of dispersion of ventricular repolarization, were proposed for risk stratification but their predictive values in LQTS have been controversial. A systematic review and meta-analysis was conducted to examine the value of Tpeak -Tend intervals and Tpeak -Tend /QT ratios in predicting arrhythmic and mortality outcomes in congenital LQTS...
March 6, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29514745/computerized-interpretation-of-electrocardiograms-taking-stock-and-implementing-new-knowledge
#6
LETTER
John E Madias
No abstract text is available yet for this article.
March 5, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29550104/repolarization-time-in-presence-of-intraventricular-conduction-disturbances-a-new-solution-for-an-old-problem
#7
EDITORIAL
Manlio F Márquez
No abstract text is available yet for this article.
March 2, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29525386/cardiac-resynchronization-therapy-with-his-bundle-pacing-as-a-method-of-treatment-of-chronic-heart-failure-in-patients-with-permanent-atrial-fibrillation-and-left-bundle-branch-block
#8
Krzysztof Boczar, Agnieszka Sławuta, Andrzej Ząbek, Maciej Dębski, Jacek Gajek, Jacek Lelakowski, Barbara Małecka
CRT is a therapeutic option for patients with heart failure, sinus rhythm, prolonged QRS complex duration and reduced ejection fraction. We present a case of 71-year-old woman with dilated cardiomyopathy, NYHA functional class III and AF. We implanted CRT combined with direct His-bundle pacing. The indication for such a therapy was a left bundle branch block with a QRS complex of 178ms and a left ventricular EF of 15%, left ventricular end-diastolic diameter (LVEDD) of 75mm. After 8months of follow-up the LVEDD was 60mm with EF 35-40%...
March 2, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29525385/a-successful-catheter-ablation-of-a-ventricular-fibrillation
#9
Serdar Demir, Abdulkadir Uslu, Ahmet Guner, Sabahattin Gunduz, Muzaffer Kahyaoglu, Ayhan Kup, Mehmet Celik, Ozge Akgun, Munevver Sarı, Taylan Akgun
Malignant ventricular arrhythmias are challenging to manage, requiring a multidisciplinary approach. The mechanism, which triggers ventricular fibrillation (VF) associated with ventricular extrasystoles has not been clarified yet, however, abolishing ventricular extrasystoles may stop ventricular fibrillation in these patients. By this case presentation, we aimed to present a successful treatment of an electrical storm (ES), which developed after an acute myocardial infarction, by catheter ablation.
February 24, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29530523/electrocardiographic-changes-and-conduction-disturbances-after-transfemoral-aortic-valve-implantation-with-edwards-sapien-3-prosthesis
#10
Unzue Leire, García Eulogio, Rodríguez Rodrigo Francisco José, Parra Jiménez Francisco Javier, Medina Peralta Juan, Díaz-Antón Belen, Rodríguez Del Río Miguel, Fontenla Adolfo, Teijeiro Rodrigo, Rubio-Alonso Belén
OBJECTIVES: The aim of this study is to describe electrocardiographic changes and conduction abnormalities in patients undergoing transcatheter aortic valve implantation (TAVI). METHODS: 76 patients who underwent TAVI using Edwards Sapien 3 prosthesis were included, comparing electrocardiographic registries at admission, post-procedure and before discharge. RESULTS: Patients after TAVI presented a longer PR interval, a wider QRS, and a longer corrected QT, with a left deviation of QRS axis and T waves; reversible changes that tended to correct in the following days after TAVI...
February 20, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29506757/linking-stroke-induced-heart-injury-and-neurogenic-atrial-fibrillation-a-hypothesis-to-be-proven
#11
EDITORIAL
Luciano A Sposato, Sebastian Fridman, Shawn N Whitehead, Renato D Lopes
No abstract text is available yet for this article.
February 20, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29499830/learning-and-teaching-electrocardiography-in-the-21st-century-a-neglected-art
#12
EDITORIAL
Mohammad Shenasa
No abstract text is available yet for this article.
February 20, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29486899/origins-of-the-power-of-the-low-frequency-heart-rate-variability-bandwidth
#13
Daniel Roach, Robert Sheldon
PURPOSE: We hypothesized that heart period (HP) variability in the low frequency (LF) band is due to transient fluctuations of about 10 s in HP sequences, associated with fluctuations in blood pressure. METHODS: 10 healthy subjects, mean age 36 y, had HP and blood pressure acquired for 10 min each. Nonrandom HP fluctuations (ripples) lasting 6.7-20 s were detected using time-scrambled surrogate sequences as controls. RESULTS: Ripples were 99 ± 40 ms in amplitude, in concatenates 23...
February 20, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29486898/magnetocardiographic-classification-and-non-invasive-electro-anatomical-imaging-of-outflow-tract-ventricular-arrhythmias-in-recreational-sport-activity-practitioners
#14
Gianmarco Lombardi, Anna Rita Sorbo, Gianluigi Guida, Lara La Brocca, Riccardo Fenici, Donatella Brisinda
Ventricular arrhythmias (VAs) with left bundle-branch-block and inferior axis morphology (LBBB-IA), suggestive of outflow tract (OT) origin, are a challenge in sports medicine because they can be benign or expression of a silent cardiomyopathy. Non-invasive classification is essential to plan ablation strategy if required. We aimed to evaluating magnetocardiographic (MCG) discrimination of OT-VAs site of origin (SoO). MCG and ECG data of 26 sports activity practitioners, with OT-VAs were analyzed. OT-VAs-SoO was classified with discriminant analysis (DA) of 8 MCG parameters and with invasively-validated ECG algorithms...
February 16, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29685364/myocardial-repolarization-is-affected-in-patients-with-ascending-aortic-aneurysm
#15
Mustafa Topuz, Ömer Genç, Armagan Acele, Mevlüt Koc
OBJECTIVE: Ascending aortic aneurysm (AAA) is one of the major causes of ventricular diastolic dysfunction. Diastolic dysfunction can induce ventricular repolarization dispersion. Nevertheless, myocardial repolarization dispersion is not yet to be fully evaluated in patients with AAA. We aimed to evaluate ventricular repolarization using QT and Tp-Te interval and corrected (c) Tp-Te/QT ratio in patients with AAA. METHODS: One hundred-four patients with AAA without coronary artery disease (CAD) served as the aneurysm group and 82 patients having a normal aortic diameter as the control group...
February 13, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29477501/evaluation-of-ventricular-repolarization-features-with-tp-e-tp-e-qtc-jtc-and-jtd-during-electroconvulsive-therapy
#16
Fatma Yilmaz Coşkun, Gülçin Elboğa, Gökhan Altunbaş, Ertan Vuruşkan, Berna Kaya Uğur, Murat Sucu
OBJECTIVE: The purpose of this study was to investigate the influence of electrical stimulation transmitted through the body during electroconvulsive therapy on traditional and relatively new ventricular repolarization parameters (Rate corrected QT interval (QTc), QT dispersion (QTd), rate corrected JT interval (JTc), JT dispersion (JTd), T-peak to T-end interval (Tp-e) and Tp-e/QTc ratio) under propofol anaesthesia. METHODS: Twenty-two patients (aged 18-50 years) who were each scheduled for ECT for major depression, bipolar disorder or schizophrenia enrolled to the study...
February 12, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29551228/the-association-between-reconstructed-phase-space-and-artificial-neural-networks-for-vectorcardiographic-recognition-of-myocardial-infarction
#17
Cecília M Costa, Ittalo S Silva, Rafael D de Sousa, Renato A Hortegal, Carlos Danilo M Regis
Myocardial infarction is one of the leading causes of death worldwide. As it is life threatening, it requires an immediate and precise treatment. Due to this, a growing number of research and innovations in the field of biomedical signal processing is in high demand. This paper proposes the association of Reconstructed Phase Space and Artificial Neural Networks for Vectorcardiography Myocardial Infarction Recognition. The algorithm promotes better results for the box size 10 × 10 and the combination of four parameters: box counting (Vx), box counting (Vz), self-similarity method (Vx) and self-similarity method (Vy) with sensitivity = 92%, specificity = 96% and accuracy = 94%...
February 8, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29477502/alternans-during-fascicular-ventricular-tachycardia-due-to-digitalis-toxicity
#18
S Serge Barold
This report describes a digitalis-induced regular fascicular ventricular tachycardia characterized by marked QRS alternans a manifestation not usually associated with this arrhythmia. The striking alternation of QRS configuration suggested alternating ventricular activation from either a single focus with two exits in distal branches of the left anterior fascicle or 2 different foci localized in the Purkinje-myocardial network of the left anterior fascicle.
February 8, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29472109/bradycardia-what-is-the-mechanism
#19
Sunita Sharma, Ajay Sharma, Matthew F Yuyun, Jonathan S Silver
No abstract text is available yet for this article.
February 8, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29454650/author-s-re-sponse-to-letter-to-the-editor-from-hay%C3%A4-rl%C3%A4-o%C3%A4-lu-m-et-al
#20
LETTER
Metin Cagdas
No abstract text is available yet for this article.
February 8, 2018: Journal of Electrocardiology
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