Appropriateness of anteroseptal myocardial infarction nomenclature evaluated by late gadolinium enhancement cardiovascular magnetic resonance imaging |
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| Authors: | Joseph Allencherril Yama Fakhri Henrik Engblom Einar Heiberg Marcus Carlsson Jean-Luc Dubois-Rande Sigrun Halvorsen Trygve S. Hall Alf-Inge Larsen Svend Eggert Jensen Hakan Arheden Dan Atar Peter Clemmensen Dipan J. Shah Benjamin Cheong Maria Sejersten Yochai Birnbaum |
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| Affiliation: | 1. Section of Cardiology, Baylor College of Medicine, One Baylor Plaza, Houston, TX, USA;2. Department of Cardiology, The Heart Centre, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;3. Department of Medicine, Nykøbing F Hospital, Nykøbing F, Denmark;4. Department of Clinical Physiology, Lund University, Skåne University Hospital, Lund, Sweden;5. Assistance Publique Hôpitaux de Paris, Hôpital Henri Mondor, Créteil, France;6. Department of Cardiology B, Oslo University Hospital Ullevål, Faculty of Medicine, University of Oslo, Oslo, Norway;7. Department of Clinical Science, University of Bergen, Bergen, Norway;8. Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark;9. Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark;10. Department of General and Interventional Cardiology, University Heart Center Hamburg-Eppendorf, Hamburg, Germany;11. Department of Cardiology, Houston Methodist Hospital, Houston, TX, USA;12. Department of Cardiology, Herlev University Hospital, Herlev, Denmark |
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| Abstract: | ![]()
BackgroundIn traditional literature, it appears that “anteroseptal” MIs with Q waves in V1-V3 involve basal anteroseptal segments although studies have questioned this belief.MethodsWe studied patients with first acute anterior Q-wave (> 30 ms) MI. All underwent late gadolinium enhancement (LGE) cardiac magnetic resonance imaging (MRI).ResultsThose with Q waves in V1-V2 (n = 7) evidenced LGE > 50% in 0%, 43%, 43%, 57%, and 29% of the basal anteroseptal, mid anteroseptal, apical anterior, apical septal segments, and apex, respectively. Patients with Q waves in V1-V3 (n = 14), evidenced involvement was 14%, 43%, 43%, 50%, and 7% of the same respective segments. In those with extensive anterior Q waves (n = 7), involvement was 0%, 71%, 57%, 86%, and 86%.ConclusionsQ-wave MI in V1-V2/V3 primarily involves mid- and apical anterior and anteroseptal segments rather than basal segments. Data do not support existence of isolated basal anteroseptal or septal infarction. “Anteroapical infarction” is a more appropriate term than “anteroseptal infarction.” |
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| Keywords: | Electrocardiography Myocardial infarction Magnetic resonance imaging Q waves Anterior wall myocardial infarction Anteroseptal myocardial infarction |
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