Differentiation Between Patients With Takotsubo Cardiomyopathy and Those With Anterior Acute Myocardial Infarction

Background There has not been a comparison of the electrocardiographic (ECG) finding of ST-segment elevation in the precordial leads in patients with takotsubo cardiomyopathy (TC) and those with anterior acute myocardial infarction (AMI), with regard to the location of the culprit lesion. Methods an...

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Bibliographic Details
Published in:Circulation Journal 2005, Vol.69(1), pp.89-94
Main Authors: Inoue, Masaru, Shimizu, Masami, Ino, Hidekazu, Yamaguchi, Masato, Terai, Hidenobu, Fujino, Noboru, Sakata, Kenji, Funada, Akira, Tatami, Ryozo, Ishise, Syozo, Kanaya, Hounin, Mabuchi, Hiroshi
Format: Article
Language:English
Subjects:
Aged
Anterior myocardial infarction
Cardiomyopathies - diagnosis
Chest Pain - epidemiology
Coronary Angiography
Creatine Kinase - blood
Diagnosis, Differential
Electrocardiogram
Electrocardiography
Female
Humans
Male
Middle Aged
Myocardial Infarction - diagnosis
Retrospective Studies
Smoking - epidemiology
Takotsubo cardiomyopathy
Transient left ventricular apical ballooning
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Summary:Background There has not been a comparison of the electrocardiographic (ECG) finding of ST-segment elevation in the precordial leads in patients with takotsubo cardiomyopathy (TC) and those with anterior acute myocardial infarction (AMI), with regard to the location of the culprit lesion. Methods and Results The present study evaluated 18 patients with TC, and 85 with anterior AMI who were divided into 3 groups: group A had the culprit lesion proximal to both the first septal branch (S1) and the first diagonal branch (D1), group B had the culprit lesion proximal to either S1 or D1, and group C had the culprit lesion distal to both S1 and D1. In patients with TC, reciprocal ST-segment depression in the inferior leads was observed less frequently than in patients in groups A (p
ISSN:1346-9843
1347-4820
DOI:10.1253/circj.69.89