نتایج جستجو برای: cardiac electrophysiology

تعداد نتایج: 282123  

Journal: :the journal of tehran university heart center 0
mohammad reza dehghani seyyed-o-shohada heart hospital, uromieh university of medical sciences, uromieh, iran. azam soleimani chamran heart hospital, isfahan university of medical sciences, isfahan, iran. mohammad reza samiei nasab chamran heart hospital, isfahan university of medical sciences, isfahan, iran.

background: ventriculoatrial (va) conduction has an important role in the initiation and maintenance of some arrhythmias. the aim of this study was to evaluate whether clinical and electrophysiological parameters of atrioventricular (av) conduction can predict va conduction. methods: detailed demographic, electrocardiographic, and echocardiographic data were recorded in 54 consecutive patients ...

Journal: :The Scientific World Journal 2013

Journal: :Circulation 1969
M C Rogers

IN THE CONTEXT of history scientists often share the fate of artists, for the final judgment of their work is subject to the whims of later generations. Even a great scientist may fade into obscurity as later investigators incorporate his ideas into their own and forget their origin. Such a fate seems to have befallen John Scott Burdon-Sanderson. Working in the last two decades of the nineteent...

Journal: :Annals of the Academy of Medicine, Singapore 2013
Pow Li Chia Yin Xia Tai David C G Foo

2007
Thomas Berger Florian Hintringer Gerald Fischer

Noninvasive imaging of cardiac electrophysiology is still a major goal despite all recent technical innovations. This review gives an overview about the historical background, recent developments and possible future applications of noninvasive imaging of cardiac electrophysiology.

Journal: :European heart journal 2015
Fabian Barbieri Bernhard Pfeifer Thomas Berger Wolfgang Dichtl

CARDIOVASCULAR FLASHLIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . doi:10.1093/eurheartj/ehv...

Journal: :Frontiers in Physiology 2010

Journal: :Circulation research 1975
H A Fozzard G W Beeler

• Although voltage clamp methods have been applied experimentally to cardiac tissue for over a decade, this field of study has failed to achieve general acceptance because of limitations of the experimental approach and difficulty in interpreting the results. Yet this technique is valuable within its limitations, and to dismiss it would be to lose a valuable tool. In perspective, most technique...

Journal: :Journal of mathematical biology 2013
Chamakuri Nagaiah Karl Kunisch Gernot Plank

This work proposes an optimal control approach for the termination of re-entry waves in cardiac electrophysiology. The control enters as an extracellular current density into the bidomain equations which are well established model equations in the literature to describe the electrical behavior of the cardiac tissue. The optimal control formulation is inspired, in part, by the dynamical systems ...

Introduction: Today electrophysiology studies and ablation have been developed due to increasing arrhythmias disorder of heart. In these diagnostic – treatments methods, the use of fluoroscopy can be causes patient radiation dose, therefore evaluation of patient's absorbed dose is necessary to protection of the radiation. The aim of this study was to evaluate the absorbed dose in patients under...

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