Exercise-induced syncope in a sedentary woman

Ahmad Ramy Elashery, John W. Rickard, Sammy Zakaria

Research output: Contribution to journalArticle

Abstract

Vasovagal (neurocardiogenic) syncope, a subtype of reflex syncope, has many well-known triggers. However, we found no previous report of vasovagal exercise-induced syncope in a sedentary person. We present the case of a 35-year-old sedentary woman who experienced vasovagal syncope as she underwent an exercise stress test. Results of evaluations, including resting and stress electrocardiography and echocardiography, were normal. Her presentation is highly unusual: syncope has typically not been associated with exercise except in young athletes, people with structural heart abnormalities, or people with a prolonged QT syndrome. To our knowledge, this is the first report of vasovagal syncope associated with exercise in a sedentary patient who had normal cardiac and electrophysiologic function. We suggest possible physiologic mechanisms and diagnostic strategies.

Original languageEnglish (US)
Pages (from-to)631-633
Number of pages3
JournalTexas Heart Institute Journal
Volume41
Issue number6
DOIs
StatePublished - Dec 1 2014

Keywords

  • Cardiac output/physiology
  • Diagnosis
  • Differential
  • Exercise test/adverse effects
  • Exercise/physiology
  • Syncope
  • Vasovagal/diagnosis/etiology/physiopathology

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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