Answer
In addition to the conditions listed in the differential diagnosis (see below), other conditions to be considered include the following:
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Central nervous system injury
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Persistent juvenile T-wave pattern
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Left ventricular hypertrophy
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Bundle-branch block
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Digitalis effect
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Acute myocarditis
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Preexcitation syndromes
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Later stages of pericarditis
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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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