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  • electrophysiology
  • Simulation results were compared with those from a simplified model built from the same images but excluding finer anatomical features (vessels/endocardial structures).In conclusion, structurally simplified models are well suited for a large range of cardiac modeling applications.However, important differences are seen when behavior at microscales is relevant, particularly when examining the effects of external electrical stimulation on tissue electrophysiology and arrhythmia induction. (nih.gov)
  • Department of Cardiac Electrophysiology, University of Miami Medical Center, FL (J.F.V.-G., J.O.C. (nih.gov)
  • To further support these studies we characterized the clinical electrophysiology of the normal equine atria and then quantified the electrophysiologic effects of quinidine and diltiazem in a pacing model of atrial tachycardia. (openthesis.org)
  • congenital heart d
  • Despite the presence of congenital heart disease treated with prior cardiac surgery and AFLs with variable atrial cycle lengths, the CTI-dependent mechanism underlies approximately half of the sustained, symptomatic AFLs. (biomedsearch.com)
  • implantable
  • Cardiac resynchronisation therapy (CRT) with biventricular pacemakers and implantable cardiac defibrillators (ICD) has proven to be a valuable therapy in selected patients with systolic heart failure, ameliorating both morbidity and mortality. (clinicaltrials.gov)
  • ablation
  • CONCLUSION: There was a comparable and significant improvement in QoL post-ablation in patients who underwent ablation using PVAC catheter and conventional techniques. (ox.ac.uk)
  • In a cardiac ablation procedure, the ultrasonic energy is focused into an annular focal region to ablate cardiac tissue extending in an annular path along the wall. (google.com)
  • Imaging
  • Recent advances in magnetic resonance (MR) imaging technology have unveiled a wealth of information regarding cardiac histoanatomical complexity. (nih.gov)
  • embryonic
  • Gourdie RG, Kubalak S, Mikawa T. Conducting the embryonic heart: orchestrating development of specialized cardiac tissues. (springer.com)
  • influence
  • Part II includes the structure of the cardiac conduction system and its relationship to the working myocardium, including the influence of the autonomic nervous system. (springer.com)
  • Investigators have been aware of the large influence which seemingly small details of the stimulation technique have upon the results of ventricular stimulation. (springer.com)
  • Models
  • In conclusion, structurally simplified models are well suited for a large range of cardiac modeling applications. (nih.gov)