NCT01507987
- Conditions
- Electrical Dysfunction, Externalized Conductors, Visual Lead Anomalies
- Locations
-
- Cardiology, P.C. Birmingham, Alabama, United States
- University Hospital of Alabama at Birmingham Birmingham, Alabama, United States
- Heart Center Research Huntsville, Alabama, United States
- Arizona Arrhythmia Consultants Scottsdale, Arizona, United States