Elderly Woman With Abnormal ECG

A 76-year-old woman with hypertension (treated with amlodipine) and dyslipidemia was sent to the emergency department after an abnormal ECG result was obtained during a routine visit (Figure 1). She reported only a mild episode of resting nonanginal chest pain, lasting 10 minutes and occurring 1 month earlier. An ECG result obtained 6 months earlier was unremarkable (Figure 2). The patient was asymptomatic; vital signs and physical examination result were normal. Her troponin I level was 0.038 ng/mL (normal values <0.046 ng/mL).

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