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wide complex 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/27909480/a-case-of-wide-complex-tachycardia-in-a-patient-with-a-biventricular-assist-device
#2
Abrams Mark P, Whang William, Iyer Vivek, Garan Hasan, Biviano Angelo
This case report highlights the variety of wide complex tachycardias, and the need for their prompt management, in the growing population of patients with circulatory support devices. We present a case that demonstrates how a wide complex supraventricular tachycardia in a patient with a biventricular assist device can be safely and effectively targeted for treatment using percutaneous radiofrequency catheter ablation, allowing for clinical improvement, weaning of RVAD treatment, and discharge home with LVAD alone...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27844192/-right-bundle-branch-block-during-right-ventricular-pacing
#3
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
#4
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/27814325/fatal-cardiac-arrest-in-2-children-possible-role-of-ondansetron
#5
Scott M Brenner, Jenny Boucher
INTRODUCTION: Ondansetron is commonly used to treat vomiting in gastroenteritis, but has a United States Food and Drug Administration black box warning for risk of Q wave to T wave time interval (QT) prolongation. We report 2 pediatric cases of fatal refractory cardiac arrest after administration of ondansetron. CASES: A 10-year-old previously healthy boy presented to the emergency room with gastroenteritis symptoms. After intravenous fluids, morphine, antibiotics, and 2 doses of ondansetron, the patient became unresponsive with agonal respirations and a wide complex tachycardia consistent with ventricular tachycardia...
November 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27802498/an-unusually-wide-qrs-complex-tachycardia-in-a-patient-with-hemodynamic-instability
#6
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/27757923/preparation-and-characterization-of-the-sulfobutylether-%C3%AE-cyclodextrin-inclusion-complex-of-amiodarone-hydrochloride-with-enhanced-oral-bioavailability-in-fasted-state
#7
Dandan Wang, Guoguang Chen, Lili Ren
Amiodarone hydrochloride (AMD) is used in the treatment of a wide range of cardiac tachyarrhythmias, including both ventricular fibrillation (VF) and hemodynamically unstable ventricular tachycardia (VT). The objectives of this study were to improve the solubility and bioavailability in fasted state and to reduce the food effect of AMD by producing its inclusion complex with sulfobutylether-β-cyclodextrin (SBE-β-CD). The complex was prepared through a saturated water solution combined with the freeze-drying method and then characterized by Fourier transform infrared spectroscopy, proton nuclear magnetic resonance spectroscopy, and differential scanning calorimetry...
October 18, 2016: AAPS PharmSciTech
https://www.readbyqxmd.com/read/27753716/reentry-tachycardia-in-children-adenosine-can-make-it-worse
#8
Maximilian D Hien, Fernando Benito Castro, Philippe Fournier, Anne Filleron, Tu-Anh Tran
OBJECTIVES: We report on a rare but severe complication of adenosine use in a child with reentry tachycardia. METHODS AND RESULTS: Treatment with adenosine, which is the standard medical therapy of atrioventricular reentry tachycardia, led to the development of an irregular wide complex tachycardia, caused by rapid ventricular response to atrial fibrillation. The girl was finally stabilized with electrical cardioversion. We analyze the pathomechanism and discuss possible treatment options...
October 8, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27694034/comparison-of-standard-and-lewis-ecg-in-detection-of-atrioventricular-dissociation-in-patients-with-wide-qrs-tachycardia
#9
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
#10
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/27521096/sustained-ventricular-tachycardia-in-apparently-normal-hearts-medical-therapy-should-be-the-first-step-in%C3%A2-management
#11
REVIEW
Ali Kazemi Saeid, George J Klein, Peter Leong-Sit
Sustained monomorphic ventricular tachycardia or repetitive premature ventricular complexes can be seen in patients with structurally normal hearts. Among these types of patients, the prognosis is predominantly benign and the treatment mostly focused on elimination of symptoms rather than improving survival or reduction of mortality. This article focuses on the pharmacologic options for management and compares them with invasive options. Based on the current literature, we demonstrate that medical therapies should be used as first-line management and favored over invasive therapies...
September 2016: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/27521090/spectrum-of-fascicular-arrhythmias
#12
REVIEW
Raphael Sung, Melvin Scheinman
Fascicular arrhythmias encompass a wide spectrum of ventricular arrhythmias that depend on the specialized conduction system of the right and left ventricles. These arrhythmias include premature ventricular complexes, monomorphic ventricular tachycardia, polymorphic ventricular tachycardia, and ventricular fibrillation. These arrhythmias may be organized by mechanism, including intrafascicular reentry, interfascicular reentry, and focal. Mapping and ablation of the fascicular system can result in high cure rates of debilitating and potentially life-threatening arrhythmias...
September 2016: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/27521087/nonsustained-ventricular-tachycardia-in-the-normal-heart-risk-stratification-and-management
#13
REVIEW
Joseph E Marine
Nonsustained ventricular tachycardia (NSVT) may trigger concern, particularly in patients with known congestive heart failure, structural heart disease, or prolonged QT interval. When NSVT occurs in patients with normal hearts, it usually has a benign prognosis. Therefore, establishing the presence or absence of structural or inherited heart disease is a critical step in each patient's evaluation. It is important to approach a wide-complex tachycardia in a systematic manner, to ensure correct diagnosis and treatment...
September 2016: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/27485564/incessant-tachycardia-in-a-patient-with-advanced-heart-failure-and-left-ventricular-assist-device-what-is-the-mechanism
#14
Amit Noheria, Siva K Mulpuru, Peter A Noseworthy, Samuel J Asirvatham
We present a case of incessant wide-complex tachycardia in a patient with left-ventricular assist device, and discuss the differential diagnosis with an in-depth analysis of the intracardiac tracings during the invasive electrophysiologic study, including interpretation of the relative timing of the fascicular signals during tachycardia and in sinus rhythm, and interpretation of pacing and entrainment maneuvers.
January 2016: Indian Pacing and Electrophysiology Journal
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
#15
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
#16
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/27326235/a-case-of-recurrent-palpitations-with-wide-complex-tachycardia
#17
Anishkumar Nair, Kader Muneer, Chakanalil Govindan Sajeev
No abstract text is available yet for this article.
2016: Heart Asia
https://www.readbyqxmd.com/read/27272169/intralipid-in-acute-caffeine-intoxication-a-case-report
#18
Luisa Muraro, Laura Longo, Federico Geraldini, Andrea Bortot, Andrea Paoli, Annalisa Boscolo
Caffeine is arguably the most widely used stimulant drug in the world. Here we describe a suicide attempt involving caffeine overdose whereby the patient's severe intoxication was successfully treated with the prompt infusion of Intralipid. A 19-year-old man was found in an agitated state at home by the volunteer emergency team about 1 h after the intentional ingestion of 40 g of caffeine (tablets). His consciousness decreased rapidly, followed quickly by seizures, and electrocardiographic monitoring showed ventricular fibrillation...
October 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27193769/-fascicular-ventricular-tachycardia-in-a-49-year-old-patient
#19
Barbara Bellmann, Patrick Nagel, Verena Tscholl, Mattias Roser, Andreas Rillig
We report a 49-year-old patient who presented with tachycardia in our emergency room. The 12-lead ECG showed a wide complex tachycardia with a heart rate of 234 beats per minute. After structural heart disease was excluded via echocardiography, coronary angiography and magnetic resonance imaging, an electrophysiological study was performed. During programmed ventricular stimulation, a fascicular tachycardia was induced, which was successfully treated by radiofrequency ablation. Fascicular ventricular tachycardia is a rare tachycardia that occurs in patients without structural heart disease...
June 2016: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/27165698/r-wave-peak-time-at-lead-ii-in-chinese-healthy-adults
#20
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
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