Course: Ominous T-Wave Changes in an Older Adult With Chest Pain
CME Credits: 1.00
Released: 2022-11-28
A patient in their 60s presented to the emergency department with approximately 20 minutes of acute, severe precordial chest pain radiating to their left arm at night, accompanied by dyspnea, dizziness, and sweating. The patient’s medical history was notable for hypertension, cerebral infarction, diabetes, and nicotine addiction. On the patient’s arrival, the vital signs showed blood pressure of 188/101 mm Hg, heart rate at 84 beats/min, and respiratory rate at 20 breaths/min. The initial serum cardiac troponin I level of the patient was lower than 0.05 ng/mL (normal range, <0.16 ng/mL; to convert to ?g/L, multiply by 1) and the potassium level was 4.1 mEq/L (normal range, 3.5-5.3 mEq/L; to convert to mmol/L, multiply by 1). The patient’s 12-lead electrocardiogram (ECG) obtained on admission is shown in the , A.
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