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Evolution of Clinical Features in Right Ventricular Outflow Tract Obstruction: Evidence From an Echocardiographic Database in China. [PDF]

Rev Cardiovasc Med
Su L, Hu D, Lan T, Zhang X, Liang S, Lai Q, Li J, Sun X, Fang J.   +8 more
europepmc   +1 more source

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Left Ventricular Outflow Tract Obstruction

Interventional Cardiology Clinics, 2019
Left ventricular outflow tract obstruction (LVOTO) is a complex congenital cardiac defect that interferes with the ejection of blood from the left ventricle into the ascending aorta.
Jeremy Ben-Shoshan, Dee Dee Wang, Anita W. Asgar   +2 more
semanticscholar   +3 more sources

Geometry and flow in ascending aortic aneurysms are influenced by left ventricular outflow tract orientation: Detecting increased wall shear stress on the outer curve of proximal aortic aneurysms.

Journal of Thoracic and Cardiovascular Surgery, 2021
BACKGROUND The geometrical characterization of ascending thoracic aortic aneurysms in clinical practice is limited to diameter measurements. Despite growing interest in hemodynamic assessment, its relationship with ascending thoracic aortic aneurysm ...
M. Salmasi, S. Pirola, Suchaya Mahuttanatan, S. Fisichella, Sampad Sengupta, O. Jarral, A. Oo, D. O’Regan, X. Y. Xu, T. Athanasiou   +9 more
semanticscholar   +1 more source

Unusual Outflow Tract Ventricular Tachycardia

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, Scott R, Ceresnak, Henry H, Hsia   +2 more
openaire   +2 more sources

Association between left ventricular outflow tract opening and successful resuscitation after cardiac arrest.

Resuscitation, 2019
BACKGROUND Survival after cardiac arrest depends on adequate cardiopulmonary resuscitation (CPR). Manual or mechanical external chest compression may be ineffective to restore circulation: structures subjected to external chest compression may differ in ...
E. Catena, D. Ottolina, T. Fossali, R. Rech, B. Borghi, Andrea Perotti, E. Ballone, P. Bergomi, A. Corona, A. Castelli, R. Colombo   +10 more
semanticscholar   +1 more source

Catheter Ablation of Arrhythmias Originating From the Left Ventricular Outflow Tract.

JACC Clinical Electrophysiology, 2019
The left ventricular outflow tract (LVOT) is a frequent source of arrhythmias in patients with and without structural heart disease. An understanding of the anatomic relationship between the aortic valvar leaflets and their supporting sinuses, coronary ...
Jim W. Cheung, Robert H. Anderson, S. Markowitz, B. Lerman   +3 more
semanticscholar   +1 more source

Standardized Goal‐Directed Valsalva Maneuver for Assessment of Inducible Left Ventricular Outflow Tract Obstruction in Hypertrophic Cardiomyopathy

Journal of the American Society of Echocardiography, 2018
Background: The Valsalva maneuver is widely used to provoke left ventricular outflow tract obstruction in hypertrophic cardiomyopathy (HCM). Whereas early experiments used a standardized, goal‐directed approach by maintaining an intraoral pressure >40 mm
Suwen Kumar, G. Van Ness, Aron Bender, M. Yadava, J. Minnier, Sriram Ravi, Lidija B. McGrath, Howard K Song, S. Heitner   +8 more
semanticscholar   +1 more source

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.
Jackson J, Liang, Yuchi, Han, David S, Frankel   +2 more
openaire   +2 more sources

Left ventricular outflow tract obstruction

Seminars in Thoracic and Cardiovascular Surgery: Pediatric Cardiac Surgery Annual, 2004
Left ventricular outflow tract obstruction can occur at the supravalvar, valvar, or subvalvar level. Each level of obstruction is associated with distinct symptomatology, natural history, and operative approach. Reconstructive techniques can usually be used with low operative risk and excellent immediate and longer-term outcomes.
openaire   +2 more sources

Right Ventricular Outflow Tract Pacing

Pacing and Clinical Electrophysiology, 1997
“He who expresses an opinion should not voice it as correct and right but set it forth as a contribution to the consensus of opinion, for the light of reality becomes apparent when two opinions coincide. A spark is produced when flint and steel come together. Man should weigh his opinions with the utmost serenity, calmness, and composure.
openaire   +2 more sources