Heart rate variability during chemical thoracic sympathectomy.

  title={Heart rate variability during chemical thoracic sympathectomy.},
  author={Munetaka Hirose and Hiroshi Imai and Masaharu Ohmori and Yukio Matsumoto and Fumimasa Amaya and Toyoshi Hosokawa and Yukako Tanaka},
  volume={89 3},
BACKGROUND Chemical thoracic sympathectomy (CTS) resulted in profound bradycardia in a patient with severe post-therapeutic neuralgia. To clarify the cause of this bradycardia, the authors evaluated heart rate variability using a Poincaré plot, which is a scatter diagram of the current R-R interval plotted against the R-R interval immediately preceding it, in this patient and in others scheduled for CTS or mandibular block (MB). METHODS Twenty-three patients were scheduled for CTS (n = 13… CONTINUE READING

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