Local Heterogeneous Electrical Restitution Properties of Rabbit Atria.

  title={Local Heterogeneous Electrical Restitution Properties of Rabbit Atria.},
  author={Amr Al Abed and Nigel H. Lovell and Socrates Dokos},
  journal={Journal of cardiovascular electrophysiology},
  volume={27 6},
INTRODUCTION This study aims to characterize the regional variability in rate-adaptation in the atria. METHODS AND RESULTS Action potential (AP) responses to pulses with uniform as well as pseudo-random non-uniform pacing intervals were recorded from rabbit sino-atrial node, right and left atrial pectinate as well as pulmonary vein antrum tissue preparations using conventional intracellular glass microelectrodes. Steady-state restitution curves were reconstructed for various AP waveform… CONTINUE READING
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