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Wide QRS tachycardia

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https://www.readbyqxmd.com/read/27909497/persistent-atrial-fibrillation-and-atrial-flutter-complicated-by-tachycardiomyopathy-because-of-intermittent-conduction-through-accessory-pathway
#1
L Valeri, A Coppolino, G Rossetti, A Vado, G Amoroso, G Bricco, A Battisti, L Correndo, S Dogliani, A Magliarditi, D Pancaldo, M De Benedictis, A Bassignana, B Doronzo
The term tachycardiomyopathy refers to a specific form of tachycardia-related cardiomyopathy caused by supraventricular or ventricular tachyarrhytmias that are both associated with ventricular rates higher than 120 bpm. The arrhythmias which are most frequently associated with these forms of heart disease are atrial fibrillation and atrial flutter, particularly found in the elderly population. The most frequent clinical manifestation is heart failure. In this case we are reporting a clinical case of a patient that came to our attention because of an episode of heart failure associated with atrial fibrillation and atrial flutter...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27844192/-right-bundle-branch-block-during-right-ventricular-pacing
#2
Harilaos Bogossian, Fuad Hasan, Gerrit Frommeyer, Bernd Lemke, Markus Zarse
INTRODUCTION: We describe the case of a 78-year-old patient who presented for ablation of a wide complex tachycardia with right bundle branch block (RBBB) morphology. A pacemaker spike at the QRS onset indicated supraventricular tachycardia with AV synchronous ventricular pacemaker activation. METHODS: Correct positioning of the ventricular lead in the right ventricular apex was confirmed by fluoroscopy and echocardiography, excluding malpositioning of the right ventricular lead...
November 14, 2016: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/27843001/wide-qrs-complex-tachycardia-after-atropine-eye-drop-instillation-as-the-first-manifestation-of-steinert-disease
#3
Jesús Olmedo Llanes, Raúl López Salguero, Antonio Ruiz Serrato, Antonio Cordero Aguilar
No abstract text is available yet for this article.
November 11, 2016: Revista Española de Cardiología
https://www.readbyqxmd.com/read/27802498/an-unusually-wide-qrs-complex-tachycardia-in-a-patient-with-hemodynamic-instability
#4
Yue-Chun Li, Jia-Feng Lin, Peng Chen
No abstract text is available yet for this article.
December 1, 2016: JAMA Internal Medicine
https://www.readbyqxmd.com/read/27694034/comparison-of-standard-and-lewis-ecg-in-detection-of-atrioventricular-dissociation-in-patients-with-wide-qrs-tachycardia
#5
Uğur Aksu, Kamuran Kalkan, Oktay Gülcü, Selim Topcu, Serdar Sevimli, Enbiya Aksakal, Emrah Ipek, Mahmut Açıkel, Ibrahim Halil Tanboğa
BACKGROUND: The atrioventricular (AV) dissociation, which is frequently used in differential diagnosis of wide QRS complex tachycardia (WQCT), is the most specific finding of ventricular tachycardia (VT) with lower sensitivity. Herein, we aimed to show the importance of Lewis lead ECG records to detect 'visible p waves' during WQCT. METHOD: A total of 21 consecutive patients who underwent electrophysiologic study (EPS) were included in the study. During EPS, by using a quadripolar diagnostic catheter directed to the right ventricular apex, a fixed stimulus was given and the ventriculoatrial (VA) Wenkebach point was found, and a VT was simulated by a RV apical stimulus at 300ms...
September 26, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27659255/-wide-narrow-wide-qrs-complex-tachycardia-what-is-the-mechanism
#6
Vincenzo Carbone, Alessio Poggi, Vincenzo Marafioti, Giuseppe Oreto
No abstract text is available yet for this article.
October 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/27594134/a-challenging-diagnosis-of-paroxysmal-wide-qrs-tachycardia
#7
A M Iliesiu, A Deutsch, I Parvu, I M Coman
No abstract text is available yet for this article.
June 2016: Acta Cardiologica
https://www.readbyqxmd.com/read/27422697/lbbb-tachycardia-what-is-the-mechanism
#8
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Ajitkumar Valaparambil, Anees Thajudeen, Jaganmohan Tharakan
No abstract text is available yet for this article.
July 16, 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27354046/randomized-comparison-of-intravenous-procainamide-vs-intravenous-amiodarone-for-the-acute-treatment-of-tolerated-wide-qrs-tachycardia-the-procamio-study
#9
Mercedes Ortiz, Alfonso Martín, Fernando Arribas, Blanca Coll-Vinent, Carmen Del Arco, Rafael Peinado, Jesús Almendral
AIMS: Intravenous procainamide and amiodarone are drugs of choice for well-tolerated ventricular tachycardia. However, the choice between them, even according to Guidelines, is unclear. We performed a multicentre randomized open-labelled study to determine the safety and efficacy of intravenous procainamide and amiodarone for the acute treatment of tolerated wide QRS complex (probably ventricular) tachycardia. METHODS AND RESULTS: Patients were randomly assigned to receive intravenous procainamide (10 mg/kg/20 min) or amiodarone (5 mg/kg/20 min)...
June 28, 2016: European Heart Journal
https://www.readbyqxmd.com/read/27342808/long-term-outcome-of-implantable-cardioverter-defibrillator-implantation-in-secondary-prevention-of-sudden-cardiac-death
#10
Stéphane Boulé, Marc Sémichon, Laurence Guédon-Moreau, Élodie Drumez, Claude Kouakam, Christelle Marquié, François Brigadeau, Salem Kacet, Charlotte Potelle, William Escande, Zouheir Souissi, Dominique Lacroix, Alain Duhamel, Didier Klug
BACKGROUND: Little is known about the long-term outcomes of patients who receive an implantable cardioverter-defibrillator (ICD) for purely secondary prevention indications. AIMS: To assess the rates and predictors of appropriate therapies over a very long-term follow-up period in this population. METHODS: Between June 2003 and August 2006, 239 consecutive patients with structural left ventricular disease and a secondary prophylaxis indication for ICD therapy (survivors of life-threatening ventricular tachyarrhythmias) were prospectively enrolled...
June 21, 2016: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/27213140/arrhythmias-and-electrocardiographic-changes-in-systolic-heart-failure
#11
Ashok Devkota, Ahmed Bakhit, Alix Dufresne, Aung Naing Oo, Premraj Parajuli, Saveena Manhas
BACKGROUND: Heart failure is a common condition that that leads to hospitalization. It is associated with various atrial and ventricular arrhythmias. AIM: The aim of this study is to find common arrhythmias and electrocardiographic changes in hospitalized patients who have systolic heart failure. MATERIALS AND METHODS: This is a retrospective study of medical records, and electrocardiograms (EKGs) of 157 patients admitted to our hospital who had systolic heart failure with ejection fraction (EF) <50% on echocardiogram...
April 2016: North American Journal of Medical Sciences
https://www.readbyqxmd.com/read/27178329/narrow-qrs-and-wide-qrs-tachycardias
#12
David Luke Glancy
In a woman with rheumatic heart disease, atrial flutter with a rapid ventricular response, and congestive heart failure, treatment with digoxin slows conduction in the atrioventricular node and thus allows atrioventricular conduction to occur by way of a previously unrecognized accessory pathway.
July 1, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27165698/r-wave-peak-time-at-lead-ii-in-chinese-healthy-adults
#13
Jinhua Deng, Tingting Chen, Chujuan Zeng, Nan Lu, Lihong Zhou, Xuerui Tan, Min Yu
BACKGROUND: Wide QRS complex tachycardia (WCT) is a common arrhythmia. How to differentiate between WCTs is a challenge in clinical practice. Recently R-wave peak time (RWPT) at lead II was reported to be a helpful and simple tool for differentiating WCTs. However, it has remained unknown about the reference range of RWPT at lead II. In present study, we aimed to investigate the reference range of RWPT at lead II in Chinese healthy adults. METHODS: A retrospective study was conducted in the First Affiliated Hospital of Shantou University Medical College in Southern China...
2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27159602/ecg-of-the-month-changing-morphology-of-a-wide-qrs-tachycardia
#14
Mazen M Kawji, D Luke Glancy
An obese 49-year-old man with a history of systemic arterial hypertension, diabetes mellitus, dyslipidemia, three myocardial infarcts, an ischemic cardiomyopathy, a four-vessel coronary artery bypass operation 7 years earlier, and implantation of a cardioverter-defibrillator 2 years earlier comes to the hospital with palpitations and dyspnea. An ECG is recorded.
September 2015: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/27138619/ecg-of-the-month-changing-morphology-of-a-wide-qrs-tachycardia
#15
Mazen M Kawji Md, D Luke Glancy Md
An obese 49-year-old man with a history of systemic arterial hypertension, diabetes mellitus, dyslipidemia, three myocardial infarcts, an ischemic cardiomyopathy, a four-vessel coronary artery bypass operation 7 years earlier, and implantation of a cardioverter-defibrillator 2 years earlier comes to the hospital with palpitations and dyspnea. An ECG is recorded.
September 2015: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/27135110/ecg-quiz-paroxysmal-wide-qrs-tachycardia-after-pacemaker-implant
#16
Quynh-Anh Bui, Michael B West, Christopher Cadman, Irwin Hoffman
No abstract text is available yet for this article.
January 2016: Journal of Electrocardiology
https://www.readbyqxmd.com/read/27134443/bundle-branch-reentry-ventricular-tachycardia-after-transcatheter-aortic-valve-replacement
#17
Adriana de la Rosa Riestra, José Amador Rubio Caballero, Alfonso Freites Estévez, Javier Alonso Belló, Javier Botas Rodríguez
An 83-year-old male suffering from severe symptomatic aortic valve stenosis received an implant of a biological aortic prosthesis through the femoral artery without complications. Seven days after dischargement he experienced a syncope. The patient was wearing an ECG holter monitor that day, which showed a wide QRS complex tachycardia of 300 beats per minute. The electrophysiological study revealed a bundle-branch reentry ventricular tachycardia as the cause of the syncope. Radio-frequency was applied on the right-bundle branch...
September 2015: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/27100441/new-features-of-electrocardiogram-in-a-case-report-of-arrhythmogenic-right-ventricular-cardiomyopathy-a-care-compliant-article
#18
Haifeng Pei, Qiujun Yu, Xiaohua Su, Zhen Wang, Heng Zhao, Dachun Yang, Yongjian Yang, De Li
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a crucial health problem. With sudden death often being the first presentation, early diagnosis for ARVC is essential. Up to date, electrocardiogram (ECG) is a widely used diagnostic method without invasive harms. To diagnose and treat ARVC as well as possible, we should clearly elucidate its pathophysiological alterations. A 66-year-old farmer presented to the Emergency Department with continuous palpitation, chest tightness, profuse sweating, and nausea with no obvious predisposing causes...
April 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27094587/wide-qrs-complex-tachycardia-in-a-patient-with-concealed-accessory-pathway-what-is-the-mechanism
#19
Marek Jastrzebski, Maciej Pitak, Andrzej Rudzinski, Danuta Czarnecka
No abstract text is available yet for this article.
September 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27037799/wide-to-narrow-qrs-tachycardia-what-is-the-mechanism
#20
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Ajitkumar Valaparambil, Anees Thajudeen, Jaganmohan Tharakan
No abstract text is available yet for this article.
September 2016: Journal of Cardiovascular Electrophysiology
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