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Unusual Outflow Tract Ventricular Tachycardia [PDF]

Cardiac Electrophysiology Clinics, 2016
Distinguishing premature ventricular contractions/ventricular tachycardia from the right ventricular outflow tract versus the left ventricular outflow tract can be difficult by electrocardiogram findings alone. A thorough understanding of the outflow tract anatomy and a systematic and meticulous approach to mapping of the ventricular outflow regions ...
Kara S. Motonaga, Henry H. Hsia, Scott R. Ceresnak   +2 more
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Ablation of Outflow Tract Ventricular Tachycardia

Current Treatment Options in Cardiovascular Medicine, 2015
Ventricular tachycardia in patients with structurally normal hearts is most frequently due to adenosine-sensitive, triggered activity. The most common sites of origin are the right and left ventricular outflow tracts. Patients may present with symptoms such as palpitations, or less commonly cardiomyopathy.
Yuchi Han, Jackson J. Liang, David S. Frankel   +2 more
openaire   +3 more sources

Myxoma of the Left Ventricular Outflow Tract

Journal of Ultrasound in Medicine, 2009
Cardiac myxomas are uncommon tumors found in 0.5 per million population per year. 1 Furthermore, a myxoma found in the left ventricular outflow tract is rare. This is a report of such a tumor, with surgical and pathologic confirmation of the echocardiographic diagnosis.
Jian Chen, Yihua He, Xiaoyan Gu, Jiancheng Han, Zhian Li, J.V. Nixon, Linlin Wang   +6 more
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Hemangioma of the right ventricular outflow tract

The Annals of Thoracic Surgery, 2000
Obstruction of the right ventricular outflow tract by a primary cardiac tumor is rare. Six cases of right ventricular outflow tract obstruction by a primary cardiac hemangioma have been reported; all but one were detected before the age of 25 years. In this report, we review the literature and describe what we believe to be only the second reported ...
Brian R. Kann, Anthony J. DelRossi, Steven Marra, Jonathan H. Cilley, William J Kim   +4 more
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Management of outflow tract ventricular arrhythmias

Current Opinion in Cardiology, 2015
Outflow tract ventricular arrhythmias represent an important chapter in clinical electrophysiology. Recent investigations enhance the knowledge in that field and highlight new important concepts in ventricular arrhythmogenesis.Recent publications have revealed new interesting results in the field of outflow tract ventricular arrhythmias.
Philippe Maury, Alexandre Duparc, Anne Rollin, Pierre Mondoly   +3 more
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Reversible obstruction of the ventricular outflow tract

The American Journal of Cardiology, 1963
Abstract Obstruction of the left ventricular outflow tract with characteristics of subaortic muscular hypertrophy has been produced in a human subject and 2 of 8 dogs by infusion of isoproterenol. In 2 other dogs with outflow tract gradients in the “control” state, infusion of blood relieved the obstruction.
William B. Hood, Ellis L. Rolett, Peter M. Yurchak, Richard Gorlin, Norman Krasnow   +4 more
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Hemodynamics of the ventricular outflow tract

Journal of Biomechanics, 1970
Abstract The purpose of this report is to formulate from the equations of fluid mechanics, assuming inviscid flow of an incompressible fluid, an equation for the fluid dynamics of the ventricular outflow tract. The unsteady flow term of the equation implies the possibility of a negative pressure gradient from the left ventricle to the proximal aortic
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Stenting of the right ventricular outflow tract

Heart, 2013
To assess the indication, technical aspects, and outcome of stenting of the right ventricular outflow tract (RVOT) in the management of symptomatic patients with severely limited pulmonary blood flow.Retrospective case note and procedure review of patients undergoing stenting of the RVOT over an 8 year period.Between 2005 and 2012, 52 selected patients
Joseph V. De Giovanni, Chetan Mehta, Zdenka Reinhardt, Oliver Stumper, Patrick Noonan, Rami Dhillon, Bharat Ramchandani, Vinay Bhole, Paul Miller   +8 more
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Outflow tract ventricular arrhythmias: An update

Trends in Cardiovascular Medicine, 2015
During the last 20 years, the molecular etiology for many ventricular tachyarrhythmias once referred to as "idiopathic," has been elucidated. These arrhythmias are due to mutations in ion channels or structural proteins and include ventricular tachyarrhythmias due to long and short QT syndromes, Brugada syndrome, and catecholaminergic polymorphic ...
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Left Ventricular Outflow Tract

2013
Left ventricular outflow tract obstructions (LVOTO) encompass a series of stenotic lesions starting in the left ventricular outflow tract (LVOT), including the aortic valve and extending to the ascending aorta. Depending on definition, also intraventricular obstruction and hypoplastic left heart syndrome are included in the types of LVOTO.
Kurt Debl, Stefan Buchner
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