PMC553970_01
Lead II monitor strip recorded shortly after admission (A) and at the chest pain onset (B).
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F1
The patient was then connected to a cardiac monitor, which showed sinus tachycardia (approximately 140 bpm) without ST-segment and T wave abnormalities (Fig. 1A). Almost simultaneously with the administration of the second dose of epinephrine, ST-segment elevation appeared on the monitor (Fig. 1B) and the patient complained of substernal chest pain.
ECG recorded during chest pain.
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F2
A 12-lead electrocardiogram (ECG) showed ST segment elevation in leads II, III, aVF, and V3 to V6 (Fig. 2).
ECG recorded on hospital day 4th.
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F3
An ECG performed before discharge showed complete loss of potentials in leads III and aVF and partial loss of potentials with a small q wave in lead II (Fig. 3).
Left coronary angiogram.
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F4
Left (Fig. 4) and right (Fig. 5) coronary angiography showed no evidence of obstructive coronary artery disease; left ventriculography was normal as well.