Background: A ‘STEMI equivalent’ electrocardiogram (ECG) pattern describes an acute thrombotic occlusion of a large coronary artery without ST-segment elevation. This pattern must be recognized and treated with emergent reperfusion therapy. De Winter syndrome is a special ECG pattern reflecting acute occlusion in the proximal segment of LAD (left anterior descending) coronary artery and a primary percutaneous coronary intervention (PCI) should be performed as early as possible. Case illustration: We present two patients admitted to the emergency department with symptoms of chest pain. Their ECGs revealed de-Winter T waves and then coronary angiography was performed. Total occlusion in the proximal segment of the LAD coronary artery was observed in both patients, and stents were implanted to the culprit lesion. Both ECG patients show an up-sloping ST-segment depression (STD, >1 mm) starting from the J-point, with symmetrical, tall and significant T-waves in the precordial leads. This ECG pattern indicates a LAD coronary artery obstruction. The ‘de Winter’ ECG pattern is not mentioned in the ESC guidelines, but it is essential to recognize this rare ECG pattern as the STEMI equivalent, and it must be treated with prompt revascularization therapy. Conclusion: The ‘de Winter’ ECG pattern, as other ‘STEMI equivalent’, must be recognized promptly and treated as soon as possible with emergent reperfusion by percutaneous coronary intervention.
Alan : Sağlık Bilimleri
Dergi Türü : Uluslararası
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