Anxiety and vagal control of heart rate.

  title={Anxiety and vagal control of heart rate.},
  author={Lana L. Watkins and Paul Grossman and Ranga R. Krishnan and Andrew Sherwood},
  journal={Psychosomatic medicine},
  volume={60 4},
OBJECTIVE Prospective studies have demonstrated that anxiety predicts sudden cardiac death, but the mechanism underlying this increased risk is unclear. This study examined whether anxiety is associated with reductions in vagal control of heart rate in healthy volunteers. METHOD Trait anxiety (T-ANX) was measured, using the Spielberger State-Trait Anxiety Inventory (STAI), in 93 healthy men and women 25 to 44 years of age. Power spectral analysis was used to measure two indices of vagal… CONTINUE READING

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