Answer
Wellens syndrome is also referred to as LAD coronary T-wave syndrome. [2, 3] Syndrome criteria include the following:
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Characteristic T-wave changes
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History of anginal chest pain
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Normal or minimally elevated cardiac enzyme levels
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ECG without Q waves, without significant ST-segment elevation, and with normal precordial R-wave progression
Recognition of this ECG abnormality is of paramount importance because this syndrome represents a preinfarction stage of coronary artery disease (CAD) that often progresses to a devastating anterior wall MI.
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Media Gallery
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This ECG represents a patient who came in to the emergency department with 8/10 chest pain. The patient had old right bundle-branch block (RBBB) and left ventricular hypertrophy (LVH), and this compared similarly to his previous ECGs.
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Classic Wellens syndrome T-wave changes. ECG was repeated on a patient who came in to the emergency department with 8/10 chest pain after becoming pain free secondary to medications. Notice the deep T waves in V3-V5 and slight biphasic T wave in V6 in this chest pain– free ECG. The patient had negative cardiac enzyme levels and later had a stent placed in the proximal left anterior descending (LAD) artery.
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A 57-year-old with 4/10 pressurelike chest pain. Improvement with treatment by EMS. The patient had this ECG on arrival. Notice perhaps the beginning of a small biphasic T wave in V2.
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Pain-free ECG of a 57-year-old patient who presented with 4/10 pressurelike chest pain. Notice after the patient was treated with medications and pain subsided, the ECG shows T-wave inversion in V2 and biphasic T waves in V3-V5. This more closely resembles the less common presentation of Wellens syndrome with a biphasic T-wave pattern. This patient had a cardiac catheterization that showed a subtotal occlusion of the proximal left anterior descending (LAD) artery, which was stented, and the patient did well.
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