Stress cardiomyopathy electrocardiogram
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Unstable angina/non ST elevation myocardial infarction in Stress (Takotsubo) Cardiomyopathy |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Electrocardiogram
The EKG findings are often confused with those of an acute anterior wall myocardial infarction.[1] While the ECG may reveal ST-segment elevation, it may also reveal non-specific ST/T wave abnormality, usually in the precordial leads. The 12-lead ECG alone is not helpful in differentiating apical ballooning syndrome from a traditional thrombotic ST-elevation myocardial infarction. Evolutionary changes occur over 2 to 3 days that are characteristic and include resolution of the ST-segment elevation and development of diffuse and frequently deep T-wave inversion.
The diagnosis of takotsubo cardiomyopathy may be difficult upon presentation. The EKG findings are often confused with those found during an acute anterior wall myocardial infarction.[1]
References
- ↑ 1.0 1.1 Bybee KA, Motiei A, Syed IS, Kara T, Prasad A, Lennon RJ, Murphy JG, Hammill SC, Rihal CS, Wright RS (2006). "Electrocardiography cannot reliably differentiate transient left ventricular apical ballooning syndrome from anterior ST-segment elevation myocardial infarction". J Electrocardiol. PMID 17067626.