Search Results - "Newton, Jonathan C"
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The Transmural Activation Sequence in Porcine and Canine Left Ventricle Is Markedly Different During Long-Duration Ventricular Fibrillation
Published in Journal of cardiovascular electrophysiology (01-12-2007)“…Background: Humans are more similar in transmural Purkinje and cardiac ion channel distributions to dogs than pigs. The Purkinje network in pigs is transmural…”
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Estimated Global Transmural Distribution of Activation Rate and Conduction Block During Porcine and Canine Ventricular Fibrillation
Published in Circulation research (02-04-2004)“…ABSTRACT—We quantified ventricular fibrillation (VF) activation rate, conduction block, and organization transmurally in pigs and dogs, whose transmural…”
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Regional Differences in Ventricular Fibrillation in the Open-Chest Porcine Left Ventricle
Published in Circulation research (18-10-2002)“…ABSTRACT—It has been hypothesized that during ventricular fibrillation (VF), the fastest activating region, the dominant domain, contains a stable reentrant…”
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Intramural virtual electrodes during defibrillation Shocks in left ventricular wall assessed by optical mapping of membrane potential
Published in Circulation (New York, N.Y.) (20-08-2002)“…It is believed that defibrillation is due to shock-induced changes of transmembrane potential (DeltaV(m)) in the bulk of ventricular myocardium (so-called…”
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Estimated Global Epicardial Distribution of Activation Rate and Conduction Block During Porcine Ventricular Fibrillation
Published in Journal of cardiovascular electrophysiology (01-10-2002)“…Block and Frequency Distribution During VF. Introduction: A proposed mechanism of the maintenance of ventricular fibrillation (VF) determined by studying small…”
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Adaptive Pacing During Ventricular Fibrillation
Published in Pacing and clinical electrophysiology (01-09-2003)“…While it has been shown that pacing during ventricular fibrillation (VF) can capture a portion of the epicardium, little is known about the characteristics of…”
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Review of Mechanisms by Which Electrical Stimulation Alters the Transmembrane Potential
Published in Journal of cardiovascular electrophysiology (01-02-1999)“…Transmembrane Potential Changes with Stimulation. Electrical stimuli pace, cardiovert, or defibrillate the heart by changing transmembrane potential (δVm)…”
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Pacing During Ventricular Fibrillation: Factors Influencing the Ability to Capture
Published in Journal of cardiovascular electrophysiology (01-01-2001)“…Pacing During Ventricular Fibrillation. Introduction: Recent studies showed that pacing atrial and ventricular fibrillation (VF) is possible. The studies…”
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Intelligent multichannel stimulator for the study of cardiac arrhythmias
Published in Annals of biomedical engineering (01-02-2002)“…An intelligent multichannel stimulator (IMS) has been designed and built for use in a cardiac research environment. The device is capable of measuring and…”
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Estimated activation rate distribution across the fibrillating myocardial walls of the intact swine heart
Published in Journal of the American College of Cardiology (19-03-2003)Get full text
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On the Mechanism of Ventricular Defibrillation
Published in Pacing and clinical electrophysiology (01-02-1997)“…The mechanism of ventricular defibrillation can be considered at many different levels. The highest level is considered the strength of the shock given through…”
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