Implantation of cardiac resynchronization therapy defibrillator with left bundle branch pacing in a patient with mirror-image dextrocardia: a case report - Takeaways - MDSpire

Implantation of cardiac resynchronization therapy defibrillator with left bundle branch pacing in a patient with mirror-image dextrocardia: a case report

  • By

  • Hongwei Yi

  • Jia Li

  • Hongwei Han

  • Yue Bao

  • June 9, 2026

  • 0 min

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  • 1

    Mirror-image dextrocardia is a rare congenital condition with reversed cardiac anatomy, complicating cardiac resynchronization therapy.

  • 2

    A 73-year-old male patient with mirror-image dextrocardia, advanced heart failure, and complete left bundle branch block underwent successful LBBP-CRT-D implantation.

  • 3

    Preoperative adaptations included mirror-image electrocardiogram and digital subtraction angiography to facilitate the procedure.

  • 4

    LBBP offers advantages over traditional biventricular pacing, including improved ventricular synchrony and reduced complications.

  • 5

    This case highlights the unique challenges and successful strategies for CRT in patients with complex anatomical variations.

Original Source(s)

Implantation of cardiac resynchronization therapy defibrillator with left bundle branch pacing in a patient with mirror-image dextrocardia: a case report

  • by Hongwei Yi, Jia Li, Hongwei Han, Yue Bao

  • June 9, 2026

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