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High-density mapping of the slow pathway in a patient with atrioventricular nodal reentry given intranasal Etripamil during the NODE-1 study  William.

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Presentation on theme: "High-density mapping of the slow pathway in a patient with atrioventricular nodal reentry given intranasal Etripamil during the NODE-1 study  William."— Presentation transcript:

1 High-density mapping of the slow pathway in a patient with atrioventricular nodal reentry given intranasal Etripamil during the NODE-1 study  William C. Choe, MD, Sri Sundaram, MD, FHRS, Charles Boorman, MA, Nate Mullins, FCE, Pirouz Shamszad, MD, FAAP, FACC, Francis Plat, MD  HeartRhythm Case Reports  Volume 3, Issue 10, Pages (October 2017) DOI: /j.hrcr Copyright © 2017 Heart Rhythm Society Terms and Conditions

2 Figure 1 Baseline sinus rhythm voltage map. Image is left lateral view. Adjustment of the voltage settings show heterogeneous colors (between red and yellow), which represent the low-voltage bridge (slow pathway). This area is between areas of no voltage (gray) and high voltage (purple). Yellow dots represent the His region. CS = coronary sinus. HeartRhythm Case Reports 2017 3, DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

3 Figure 2 Etripamil sinus rhythm voltage maps. A: Voltage map 3 minutes after Etripamil showing loss of low-voltage bridge voltage. B: Sixteen minutes post Etripamil showing return of voltage in the low-voltage bridge region. CS = coronary sinus. HeartRhythm Case Reports 2017 3, DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

4 Figure 3 Postablation sinus rhythm voltage maps. A: Thirty-one minutes post Etripamil showing the low-voltage bridge. White dots (short test lesions without junctional beats) and blue dots (successful lesions with junctional beats) showing where radiofrequency lesions were delivered. B: Thirty minutes post ablation showing loss of low-voltage bridge, which appears similar to Figure 2A, which was 3 minutes post Etripamil. CS = coronary sinus. HeartRhythm Case Reports 2017 3, DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

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