Results 81 to 90 of about 87,264 (316)

Temporary epicardial left ventricular and biventricular pacing improves cardiac output after cardiopulmonary bypass

Journal of Cardiothoracic Surgery, 2012
Background To evaluate, with different pacing modes, acute changes in left ventricular systolic function, obtained by continuous cardiac output thermodilution in various subsets of patients undergoing cardiopulmonary bypass surgery.
García-Bengochea Jose B, Fernández Angel L, Calvelo Daniel, Escudero Julian, Gude Francisco, Juanatey José R   +5 more
doaj   +1 more source

Coexistence of Atrioventricular Nodal Reentrant Tachycardia and Idiopathic Left Ventricular Outflow-Tract Tachycardia [PDF]

, 2005
Double tachycardia is a relatively rare condition. We describe a 21 year old woman with history of frequent palpitations. In one of these episodes, she had wide complex tachycardia with right bundle branch and inferior axis morphology.
Arya, Arash, Dehghani, Mohammadreza, Emkanjoo, Zahra, Fazelifar, Amirfarjam, Haghjoo, Majid, Heidari, Alireza, Sadr-Ameli, MohammadAli   +6 more
core   +2 more sources

Indeterminacy of Spatiotemporal Cardiac Alternans

, 2008
Cardiac alternans, a beat-to-beat alternation in action potential duration (at the cellular level) or in ECG morphology (at the whole heart level), is a marker of ventricular fibrillation, a fatal heart rhythm that kills hundreds of thousands of people ...
A. H. Nayfeh, D. M. Bers, D. S. Rubenstein, E. M. Cherry, G. W. Beeler, J. J. Fox, J. M. Pastore, J.J. Fox, M. Endo, M. L. Riccio, R. Plonsey, Xiaopeng Zhao   +11 more
core   +2 more sources

Clinical Outcomes Post‐Transcatheter Aortic Valve Replacement in Patients With Hypertrophic Obstructive Cardiomyopathy

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background Patients with hypertrophic obstructive cardiomyopathy (HOCM) were excluded from all major trials for transcatheter aortic valve replacement (TAVR). “Suicide left ventricle” occurring after TAVR is postulated to occur as a result of chronic pressure overload from fixed obstruction that is acutely relieved after the valve deployment ...
Muhammad Usman Almani, Vibhor Ahluwalia, Muhammad Yousuf, Jafar Alzubi, Mohammad Hamza, Raphael Bonita, Christian Witzke   +6 more
wiley   +1 more source

His Bundle Pacing: Rebirth of an Important Technique for Pacing the Intrinsic Conduction System

Cardiovascular Innovations and Applications, 2018
Permanent pacemaker implant is a commonly performed cardiac procedure for treatment of bradycardia or conduction system abnormality. With conventional right ventricular (RV) pacing a lead is implanted at the RV apex or on the RV septum.
Michael R. Kaufmann, William M. Miles, Mark Panna, Thomas A. Burkart, Matthew S. McKillop, C. Richard Conti   +5 more
doaj   +1 more source

Methods of Assessment and Clinical Relevance of QT Dynamics [PDF]

, 2005
The dependence on heart rate of the QT interval has been investigated for many years and several mathematical formulae have been proposed to describe the QT interval/heart rate (or QT interval/RR interval) relationship. While the most popular is Bazett’s
Agata, Musialik-Lydka, Anna, Sliwinska, Beata, Sredniawa, Piotr, Jarski, Zbigniew, Kalarus   +4 more
core  

Transfemoral Transcatheter Aortic Valve Implantation (TF‐TAVI) for Patients With Left Ventricular Assist Device (LVAD) and Aortic Regurgitation

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Aortic regurgitation (AR) develops in up to 25%−30% of patients with left ventricular assist device (LVAD). Treatment remains challenging since surgery confers significant peri‐operative risk and the lack of valvular calcification renders transfemoral transcatheter aortic valve implantation (TF‐TAVI) with non‐dedicated devices technically ...
Daniel Tai‐Leung Chan, Ho‐On Alston Conrad Chiu, Ka‐Lam Wong, Ka‐Chun Un, Kwong‐Yue Eric Chan, Shu‐Yue Sze, Chor‐Cheung Frankie Tam, On‐Yat Wong, Gilbert H. L. Tang, Simon Cheung‐Chi Lam   +9 more
wiley   +1 more source

Pacemaker Prevention Therapy in Drug–refractory Paroxysmal Atrial Fibrillation: Reliability of Diagnostics and Effectiveness of Prevention Pacing Therapy in Vitatron™ Selection® device [PDF]

, 2006
Introduction. Atrial fibrillation (AF), the most common and rising disorder of cardiac rhythm, is quite difficult to control and/or to treat. Non pharmacological therapies for AF may involve the use of dedicated pacing algorithms to detect and prevent ...
Dell’Orto, Simonetta, Greco, Enrico Maria, Terranova, Paolo, Terranova, Peppino, Valli, Paolo   +4 more
core   +2 more sources

A Streamline Strategy for Indication and Length of Telemetry Monitoring After TAVR

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background Both indication and length of ECG telemetry monitoring (TM) after transcatheter aortic valve replacement (TAVR) are not well defined. Aims We hypothesize that a targeted strategy for monitoring conductive disorders (CD) post‐TAVR can reduce the need and duration of in‐hospital TM without compromising safety. Methods We prospectively
Antonin Fournier, Pierre Robert, Benoit Lattuca, Claire Duflos, Maël‐Morvan Duroyon, Jean‐Christophe Macia, Laurent Schmutz, Matthieu Steinecker, Jean‐Michel Berdeu, Thomas Gandet, Jean Luc Pasquie, François Roubille, Guillaume Cayla, Florence Leclercq   +13 more
wiley   +1 more source

Ultra-High-Frequency ECG in Cardiac Pacing and Cardiac Resynchronization Therapy: From Technical Concept to Clinical Application

Journal of Cardiovascular Development and Disease
Identifying electrical dyssynchrony is crucial for cardiac pacing and cardiac resynchronization therapy (CRT). The ultra-high-frequency electrocardiography (UHF-ECG) technique allows instantaneous dyssynchrony analyses with real-time visualization.
Uyên Châu Nguyên, Jesse H. J. Rijks, Filip Plesinger, Leonard M. Rademakers, Justin Luermans, Karin C. Smits, Antonius M. W. van Stipdonk, Frits W. Prinzen, Kevin Vernooy, Josef Halamek, Karol Curila, Pavel Jurak   +11 more
doaj   +1 more source