Atrial tachycardia (AT) after orthotopic heart transplantation (OHT) can be complex, occurring in the recipient as well as in the donor atria. Catheter ablation of these multiple ATs is challenging… Click to show full abstract
Atrial tachycardia (AT) after orthotopic heart transplantation (OHT) can be complex, occurring in the recipient as well as in the donor atria. Catheter ablation of these multiple ATs is challenging because of the complexity of atrial scar substrates. This case report demonstrates the merit of using a novel multipolar high-density mini-basket mapping catheter for fast, high-resolution mapping of 3 different ATs occurring in both atria of the orthotopic transplant heart.
               
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