Positive and negative inotropic responses of the atria and ventricles to vagosympathetic stimulation in the isovolumic canine heart.

@article{Priola1969PositiveAN,
  title={Positive and negative inotropic responses of the atria and ventricles to vagosympathetic stimulation in the isovolumic canine heart.},
  author={Donald V Priola and Rachel Fulton},
  journal={Circulation research},
  year={1969},
  volume={25 3},
  pages={265-75}
}
The responses of the paced, isovolumic atria and ventricles to cervical vagosympathetic stimulation were examined in eight normal and seven sympathectomized dogs under chloralose anesthesia. Before atropine, stimulation usually caused decreases in both atrial and ventricular contractility but with significant quantitative and qualitative variation from animal to animal. The right atrium showed the greatest average decrease (>30%), followed by the left atrium (12%), right ventricle (4% to 12… CONTINUE READING

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