Myocardial potassium channels: electrophysiological and molecular diversity.

  title={Myocardial potassium channels: electrophysiological and molecular diversity.},
  author={D. M. Barry and Jeanne M Nerbonne},
  journal={Annual review of physiology},
Myocardial K+ currents function to control resting membrane potentials, the heights and durations of action potentials, and refractoriness and automaticity. They are important targets for the actions of transmitters and hormones or drugs known, or postulated, to modulate cardiac functioning. A variety of K+ currents that subserve these functions have now been identified in myocardial cells isolated from different species, as well as in cells isolated from different regions of the heart in the… CONTINUE READING


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