Electroanatomical mapping of the atrialized right ventricle: Placement of a transvenous implantable cardioverter-defibrillator in a patient with Ebstein’s anomaly
oleh: Masahiro Wanezaki, MD, Takanori Arimoto, MD, Hiroki Takahashi, MD, Tadateru Iwayama, MD, Daisuke Ishigaki, MD, Daisuke Kutsuzawa, MD, Tetsu Watanabe, MD, Isao Kubota, MD
| Format: | Article |
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| Diterbitkan: | Wiley 2014-10-01 |
Deskripsi
A 47-year-old woman with Ebstein’s anomaly suffered from an out-of-hospital cardiac arrest caused by ventricular fibrillation. Electroanatomical activation mapping showed an atrialized right ventricle. Atrial electrocardiogram, normal atrioventricular node conduction delay, and ventricular electrocardiogram were confirmed in the right atrium. Relatively preserved ventricular amplitude was found in the septal wall. Based on these findings, a transvenous dual-chamber implantable cardioverter-defibrillator was implanted for the prevention of sudden cardiac death. The patient has fared well, without any lead malfunctions, lead dislodgement, or inappropriate shocks. Sufficiently high atrial and ventricular amplitudes were confirmed during 18 months of follow-up.