Measurement of Electrical Coupling Between Cardiac Ablation Catheters and Tissue

  title={Measurement of Electrical Coupling Between Cardiac Ablation Catheters and Tissue},
  author={D. Curtis Deno and Haris J. Sih and Stephan P. Miller and Liane R. Teplitsky and Russ Kuenzi},
  journal={IEEE Transactions on Biomedical Engineering},
Managing cardiac arrhythmias with catheter ablation requires positioning electrodes in contact with myocardial tissue. Objective measures to assess contact and effective coupling of ablation energy are sought. An electrical coupling index (ECI) was devised using complex impedance at 20 kHz to perform in the presence of RF ablation and deliver information about electrical interactions between the tip electrode and its adjacent environment. ECI was derived and compared with clinical judgment… CONTINUE READING
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