Radiofrequency ablation of premature ventricular contractions originating from uncommon sites of right ventricle |
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Authors: | Krishna Kumar Mohanan Nair Narayanan Namboodiri Arun Gopalakrishnan Ajitkumar Valaparambil |
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Affiliation: | Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, 695011, India |
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Abstract: | Premature Ventricular Contraction (PVC)/ventricular tachycardia (VT) with left bundle branch block (LBBB) morphology and inferior axis has been described classically to originate from the right ventricular outflow tract (RVOT). Some uncommon sites of idiopathic ventricular arrhythmia (VA) origins have been revealed including tricuspid annulus (TA) and right ventricular (RV) inflow free wall region. We present a series of two cases who have undergone electrophysiological study and successful radiofrequency ablation of frequent monomorphic PVCs with LBBB pattern originating from relatively uncommon sites of RV – TA and RV inflow free wall region. |
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Keywords: | Premature ventricular contractions Left bundle branch block Radiofrequency ablation Tricuspid annulus |
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