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Heart Rate Variability (HRV) to Evaluate Surgical Risk on Patients on Beta Blockers

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ClinicalTrials.gov Identifier: NCT01330654
Recruitment Status : Withdrawn (no patients were enrolled. Study was closed prior to study start.)
First Posted : April 7, 2011
Last Update Posted : June 27, 2012
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No Study Results Posted on ClinicalTrials.gov for this Study
Study was withdrawn before participants were enrolled.
  Recruitment Status : Withdrawn
  Primary Completion Date : March 2012
  Study Completion Date : March 2012