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

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
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Recruitment Status : Withdrawn (no patients were enrolled.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
Sponsor:
Information provided by:

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Study was withdrawn before participants were enrolled.
  Recruitment Status : Withdrawn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