Relation of postural vasovagal syncope to splanchnic hypervolemia in adolescents.

@article{Stewart2004RelationOP,
  title={Relation of postural vasovagal syncope to splanchnic hypervolemia in adolescents.},
  author={Julian M. Stewart and Kenneth J. McLeod and Sanjukta Sanyal and Gilbert Z Herzberg and Leslie D. Montgomery},
  journal={Circulation},
  year={2004},
  volume={110 17},
  pages={2575-81}
}
BACKGROUND The mechanisms of simple faint remain elusive. We propose that postural fainting is related to excessive thoracic hypovolemia and splanchnic hypervolemia during orthostasis compared with healthy subjects. METHODS AND RESULTS We studied 34 patients 12 to 22 years old referred for multiple episodes of postural faint and 11 healthy subjects. Subjects were studied in the supine position and during upright tilt to 70 degrees for 30 minutes and subgrouped into S+, historical fainters who… CONTINUE READING
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