Article ; Online: QRS morphology in lead V
2020 Volume 17, Issue 10, Page(s) 1711–1718
Abstract: ... criteria for accurate localization of LV PAP VAs using lead V: Methods: Consecutive patients undergoing ... were reviewed (study group). The QRS morphology in lead V: Results: One hundred eleven patients ... 12), and apex (5). PAP VAs showed 3 distinct QRS morphologies in lead V: Conclusion: VAs ...
Abstract | Background: Twelve-lead electrocardiogram (ECG) criteria have been developed to identify idiopathic ventricular arrhythmias (VAs) from the left ventricular (LV) papillary muscles (PAPs), but accurate localization remains a challenge. Objective: The purpose of this study was to develop ECG criteria for accurate localization of LV PAP VAs using lead V Methods: Consecutive patients undergoing mapping and ablation of VAs from the LV PAPs guided by intracardiac echocardiography from 2007 to 2018 were reviewed (study group). The QRS morphology in lead V Results: One hundred eleven patients with LV PAP VAs (mean age 54 ± 16 years; 65% men) were identified, including 64 (55%) from the posteromedial PAP and 47 (42%) from the anterolateral PAP. The reference group included patients with VAs from the following LV locations: fascicles (n = 21), outflow tract (n = 36), ostium (n = 37), inferobasal segment (n = 12), and apex (5). PAP VAs showed 3 distinct QRS morphologies in lead V Conclusion: VAs originating from the LV PAPs manifest unique QRS morphologies in lead V |
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MeSH term(s) | Arrhythmias, Cardiac/physiopathology ; Arrhythmias, Cardiac/surgery ; Catheter Ablation/methods ; Electrocardiography ; Female ; Follow-Up Studies ; Heart Ventricles/physiopathology ; Humans ; Male ; Middle Aged ; Papillary Muscles/physiopathology ; Predictive Value of Tests ; Retrospective Studies |
Language | English |
Publishing date | 2020-05-23 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2229357-7 |
ISSN | 1556-3871 ; 1547-5271 |
ISSN (online) | 1556-3871 |
ISSN | 1547-5271 |
DOI | 10.1016/j.hrthm.2020.05.021 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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