Đặc điểm và giá trị tiên lượng của dấu hiệu ST chênh xuống ở bệnh nhân nhôi máu cơ tim không ST chênh lên

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Key Points

To describe the characteristics and investigate the prognostic value of downward ST segment changes in patients with non-ST elevation myocardial infarction.
Analyzed 229 patients diagnosed with non-ST elevation myocardial infarction from August 2019 to July 2020.
Conducted 12-lead electrocardiograms upon admission to assess ST segment deviations.
Performed clinical examinations and fundamental lab tests including cardiac enzymes and echocardiograms.
Downward ST segment changes were observed in 145 patients (63.32%).
Downward ST segment accompanied by T wave inversion was found in 116 patients (50.66%).
Most occurrences of downward ST changes were in leads V5 and V6 (57.64% and 56.77% respectively).
51.53% of patients had a total ST segment amplitude of ≥ 6 mm.

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Examines the ST segment changes in non-ST elevation myocardial infarction, identifying their diagnostic significance in coronary artery disease.

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Hậu et al. (2021) studied this question.

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