QRS complex maximum deflection index in aortic cusp premature ventricular complexes

• We reviewed 185 PVC catheter ablation cases and identified 17 in which PVCs were successfully ablated in the aortic cusps. • The MDI measured 0.53 ± 0.10 (median 0.50, IQR 0.47–0.60). • In all (100%) cases MDI was > 0.40 and in 7 (41%) cases it was > 0.55. • Pseudo-delta wave was absent in a...

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Detalles Bibliográficos
Autores principales: Siontis, Konstantinos C., Madhavan, Malini, Kapa, Suraj, Asirvatham, Samuel J., Noseworthy, Peter A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2015
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5497187/
https://www.ncbi.nlm.nih.gov/pubmed/28785636
http://dx.doi.org/10.1016/j.ijcha.2015.01.014
Descripción
Sumario:• We reviewed 185 PVC catheter ablation cases and identified 17 in which PVCs were successfully ablated in the aortic cusps. • The MDI measured 0.53 ± 0.10 (median 0.50, IQR 0.47–0.60). • In all (100%) cases MDI was > 0.40 and in 7 (41%) cases it was > 0.55. • Pseudo-delta wave was absent in all but one PVC; • PVC origin in the aortic cusps should be considered along with the epicardium when MDI is in the vicinity of 0.55.

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