Stepwise evaluation of unexplained syncope in a large ambulatory population.

  title={Stepwise evaluation of unexplained syncope in a large ambulatory population.},
  author={Juan Fernando Iglesias and Denis Graf and Andrei Forclaz and Juerg Schlaepfer and Martin Fromer and Etienne Pruvot},
  journal={Pacing and clinical electrophysiology : PACE},
  volume={32 Suppl 1},
BACKGROUND Up to 60% of syncopal episodes remain unexplained. We report the results of a standardized, stepwise evaluation of patients referred to an ambulatory clinic for unexplained syncope. METHODS AND RESULTS We studied 939 consecutive patients referred for unexplained syncope, who underwent a standardized evaluation, including history, physical examination, electrocardiogram, head-up tilt testing (HUTT), carotid sinus massage (CSM) and hyperventilation testing (HYV). Echocardiogram and… CONTINUE READING
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