Updated Electrocardiographic Classification of Acute Coronary
Syndromes
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| Authors: | Kjell Nikus Yochai Birnbaum Markku Eskola Samuel Sclarovsky Zhan Zhong-qun Olle Pahlm |
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| Affiliation: | 1.Department of Cardiology, Heart Center, Tampere University Hospital, Tampere, Finland and Tampere University;2.The Section of Cardiology, Baylor College of Medicine, Houston, Texas, USA;3.Texas Heart Institute, Saint Luke’s Episcopal Hospital, Houston, Texas, USA;4.Tel Aviv University, Israel;5.Department of Cardiology, Shiyan Taihe Hospital, Hubei University of Medicine, Shiyan City, Hubei Province, China ;6.University Hospital Lund, Sweden |
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| Abstract: | The electrocardiogram (ECG) findings in acute coronary syndrome should always be interpreted in the context of the clinical findings and symptoms of the patient, when these data are available. It is important to acknowledge the dynamic nature of ECG changes in acute coronary syndrome. The ECG pattern changes over time and may be different if recorded when the patient is symptomatic or after symptoms have resolved. Temporal changes are most striking in cases of ST-elevation myocardial infarction. With the emerging concept of acute reperfusion therapy, the concept ST-elevation/non-ST elevation has replaced the traditional division into Q-wave/non-Q wave in the classification of acute coronary syndrome in the acute phase.Keypoints: In acute coronary syndrome, in addition to the traditional electrocardiographic risk markers, such as ST depression, the 12-lead ECG contains additional, important diagnostic and prognostic information. Clinical guidelines need to acknowledge certain high-risk ECG patterns to improve patient care. |
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| Keywords: | Acute coronary syndrome classification ECG myocardial infarction ST-segment elevation ST-segment depression. |
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