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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.

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.

  • cardioversion
  • troponin T
  • creatine kinase
  • atrial fibrillation

https://doi.org/10.1136/hrt.80.3.229

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