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Bradycardia-dependent conduction block of the atrial tissue in a patient after double-chamber implantable cardioverter defibrillator implantation.

Kailun ZhuZhanxiong ZhengYanxi ShiJianjiang XuZhenliang Chu
Published in: Journal of electrocardiology (2024)
Seldom are reports of phase 4 block or bradycardia-dependent conduction block in atrial tissue found in the literature. Here, we describe the case of a patient with sick sinus syndrome with Torsade de Pointes who, following the implantation of a double-chamber implantable cardioverter defibrillator, developed intra-atrial bradycardia-dependent conduction block. The patient's optimal pacing parameters were achieved by raising the rate.
Keyphrases
  • case report
  • atrial fibrillation
  • left atrial
  • systematic review
  • emergency department
  • heart failure
  • left ventricular
  • cardiac resynchronization therapy