Korean Circ J.  2022 Nov;52(11):847-850. 10.4070/kcj.2022.0170.

Successful Catheter Ablation for an Extremely Rare Case of Speech Induced Atrial Tachycardia

• Jin MN
• Lee HY
• Lee JH
• Seo J
• Kim BG
• Kim GS
• Byun YS
• Kim BO

• KMID: 2534905
• DOI: http://doi.org/10.4070/kcj.2022.0170

Figure

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  Figure 1 Twelve-lead electrocardiogram showing a vocalization induced non-sustained atrial tachycardia.

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  Figure 2 Intracardiac electrogram of atrial tachycardia that was initiated by the patient speaking (dashed arrow). A duodecapolar catheter was placed in right atrium and coronary sinus and a quadripolar catheter was placed in right ventricle.CS = coronary sinus; RA = right atrium; RV = right ventricle.

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  Figure 3 Three-dimensional electroanatomic activation mapping (Rhythmia system; Boston Scientific, Natick, MA, USA) of left atrium during atrial tachycardia. The gray bar indicates the earliest site of activation. (A) Anteroposterior view. (B) Left anterior oblique cranial view.LIPV = left inferior pulmonary vein; LSPV = left superior pulmonary vein; RSPV = right superior pulmonary vein; SVC = superior vena cava.

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  Figure 4 The target mapping of the speech-induced atrial tachycardia. (A) A radiofrequency ablation catheter (IntellaTip MiFi catheter; Boston Scientific, Natick, MA, USA) was introduced at the junction between the ostium of right superior pulmonary vein and the roof of left atrium. (B) The earliest local electrogram recorded in the ablation catheter preceded the P wave on the surface electrocardiogram by 28 milliseconds.ABL = ablation catheter; CS = coronary sinus; ME = mini electrode of ablation catheter; RA = right atrium; RV = right ventricle.

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  Figure 5 Twelve-lead electrocardiogram showing normal sinus rhythm 3 months after the ablation.

Reference

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