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Article (Scientific journals)
Significance of precordial ST-segment depression in inferior acute myocardial infarction as determined by echocardiography.
Pierard, Luc; SPRYNGER, Muriel; Gilis, F. et al.
1986In American Journal of Cardiology, 57 (1), p. 82-5
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Keywords :
Adult; Aged; Angiography; Coronary Angiography; Echocardiography; Electrocardiography; Female; Humans; Male; Middle Aged; Myocardial Infarction/pathology/physiopathology; Necrosis; Prospective Studies; Time Factors
Abstract :
[en] Despite numerous studies, the significance of precordial ST-segment depression in inferior wall acute myocardial infarction (AMI) remains unclear. No clinical studies have used 2-dimensional (2-D) echocardiography to compare AMI location in patients with or without so-called reciprocal ST changes. Therefore, the clinical, electrocardiographic, echocardiographic and angiographic features of 22 patients with their first transmural inferior AMI were prospectively examined. During the first day of AMI an echocardiographic mapping of the area of necrosis was obtained using all conventional views and a ventricular segmentation related to anatomic landmarks. Patients were categorized according to the presence (group I, n = 13) or absence (group II, n = 9) of precordial ST-segment depression, defined as more than 1 mm, measured 80 ms after the J point in at least 2 of the leads V1 to V4. Basal posterolateral akinesia was observed in 11 of the 13 patients in group I and in no patient in group II (p less than 0.001). Posterior right ventricular free wall akinesia was more frequent in group II (p less than 0.02). There was no difference in the prevalence of significant left anterior descending artery (LAD) narrowing (group I, 4 patients; group II, 3 patients). Posterolateral involvement should be strongly considered in the presence of precordial ST-segment depression in association with transmural inferior AMI.
Disciplines :
Cardiovascular & respiratory systems
Author, co-author :
Pierard, Luc ;  Université de Liège - ULiège > Département des sciences cliniques > Cardiologie - Pathologie spéciale et réhabilitation
SPRYNGER, Muriel 
Gilis, F.
Carlier, J
Language :
English
Title :
Significance of precordial ST-segment depression in inferior acute myocardial infarction as determined by echocardiography.
Publication date :
1986
Journal title :
American Journal of Cardiology
ISSN :
0002-9149
eISSN :
1879-1913
Publisher :
Elsevier, New York, United States - New York
Volume :
57
Issue :
1
Pages :
82-5
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 12 July 2014

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