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Saurabh Kumar, BSc(Med)/MBBS, PhD, William G. Stevenson, MD, Usha B

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Presentation on theme: "Saurabh Kumar, BSc(Med)/MBBS, PhD, William G. Stevenson, MD, Usha B"— Presentation transcript:

1 Bicuspid aortic valve supporting supravalvular “substrate” for multiple ventricular tachycardias 
Saurabh Kumar, BSc(Med)/MBBS, PhD, William G. Stevenson, MD, Usha B. Tedrow, MD  HeartRhythm Case Reports  Volume 3, Issue 3, Pages (March 2017) DOI: /j.hrcr Copyright © 2017 Heart Rhythm Society Terms and Conditions

2 Figure 1 Two ventricular tachycardias (VTs) were repeatedly inducible with programmed ventricular stimulation and with catheter manipulation within the fused cusps. A: Induced VT1 and VT2. B: Fused left and right commissures on intracardiac echocardiography. C: Excellent pace matches for both VTs, with long stimulus to QRS delay at sites with late potentials (D) in the left-right fused bicuspid commissure >1 cm below the left main coronary ostium (E), where long-duration fractionated signal with a unipolar QS was seen during VT 1 (F, G). VT recurred 1 month later and entrainment attempt at the periaortic left ventricular outflow tract below the site of previous ablation showed termination without global capture (arrow, H; site in green in I). Despite a prior inferior wall infarction, there was periaortic low voltage with minimal inferior wall scar, more consistent with a nonischemic distribution of scar. HeartRhythm Case Reports 2017 3, DOI: ( /j.hrcr ) Copyright © 2017 Heart Rhythm Society Terms and Conditions

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