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


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

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