Spontaneous versus triggered contractions of "calcium-tolerant" cardiac cells from the adult rat ventricle.

@article{Fabiato1985SpontaneousVT,
  title={Spontaneous versus triggered contractions of "calcium-tolerant" cardiac cells from the adult rat ventricle.},
  author={Alexandre Fabiato},
  journal={Basic research in cardiology},
  year={1985},
  volume={80 Suppl 2},
  pages={
          83-7
        }
}
Cardiac cells were isolated from the adult rat ventricle by an enzymatic treatment. The cells considered intact were quiescent in the presence of 2.5 mM free Ca2+ but responded to an electrical stimulation by an homogeneous and brief contraction. When the procedure failed, spontaneous cyclic contractions occurred. Often they propagated as a wave from an intercalated disk, and the tension recording showed several components in each contraction. Electrical stimulation at a frequency higher than… CONTINUE READING

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