Exercise induced vasodepressor syncope

J F Sneddon, G Scalia, D E Ward, W J McKenna, A J Camm, M P Frenneaux

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Abstract

Five cases of exercise induced pure vasodepressor syncope in patients without significant structural heart disease are reported. Hypotension and symptoms of syncope or pre-syncope were induced by treadmill exercise testing and in each case limited exercise performance. Evidence of inappropriate peripheral vasodilation, probably as a consequence of ventricular mechanoreceptor stimulation, was shown in all five patients. Head up tilt testing resulted in hypotension in four patients and isoprenaline infusion in the supine position resulted in hypotension in the fifth. These patients had a new condition of exercise induced neurally mediated (vasodepressor) syncope without appreciable structural cardiac abnormalities.
Original languageEnglish
Pages (from-to)554-557
Number of pages4
JournalBritish Heart Journal
Volume71
Issue number6
DOIs
Publication statusPublished - Jun 1994

Keywords

  • Adolescent
  • Adult
  • Aged
  • Cardiac Output
  • Disopyramide
  • Exercise
  • Exercise Test
  • Female
  • Heart Rate
  • Humans
  • Hypotension
  • Hypotension, Orthostatic
  • Male
  • Metoprolol
  • Syncope
  • Vascular Resistance

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