case_images: PMC6069038_01
case_images: Electrocardiogram at presentation.
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case_images: The initial troponin was 0.01 ng/mL, and the electrocardiogram showed normal sinus rhythm with no acute ST or T wave changes (Figure 1).
case_images: Electrocardiogram immediately after epinephrine administration.
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case_images: ST elevation in V1, V2, and aVR, and ST depression in leads II, III, aVF, and V4-V6 (Figure 2). Serum troponin jumped to 2.14 ng/mL.
case_images: Electrocardiogram (EKG) after 10 minutes of the second EKG.
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case_images: EKG changes (Figure 3). Echocardiography was done subsequently and showed normal systolic and diastolic function with no regional wall abnormality.