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Heart 1998;80:229-230 doi:10.1136/hrt.80.3.229
  • Paper

Direct current cardioversion does not cause cardiac damage: evidence from cardiac troponin T estimation

  1. A C R Raoa,
  2. N Naeema,
  3. C Johnb,
  4. P O Collinsonb,
  5. R Canepa-Ansona,
  6. S P Josepha
  1. aDepartment of Cardiology, Mayday University Hospital, Mayday Road, Croydon, Surrey CR7 7YE, UK, bDepartment of Chemical Pathology, Mayday University Hospital
  1. Dr Joseph.
  • Accepted 23 February 1998

Abstract

Aim To determine whether elective direct current (dc) cardioversion of atrial fibrillation/flutter causes myocardial damage.

Methods and results Cardiac troponin T and creatine kinase were estimated 20–28 hours after dc cardioversion in 51 patients who received dc shocks for elective cardioversion of chronic atrial fibrillation/flutter. Although creatine kinase was raised in 44 patients, cardiac troponin T was undetectable in all patients.

Conclusion Cardiac damage does not occur as a result of cardioversion.

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