6/15/2023 0 Comments Serial Ecg FrequencyHowever, the patient’s typical chest pain prompted a second ECG ( Figure 1b) 10 minutes later, which showed features corresponding to a de Winter ECG pattern including the following features: A blood sample was sent for troponin analysis, and a nitroglycerin infusion was started.Īn initial ECG showed minimal ST-segment changes in the precordial leads ( Figure 1a). On arrival, his blood pressure was 200/110 mm Hg, representing a hypertensive emergency. He had dyslipidemia, a 5-pack-year history of smoking, and, likely, undiagnosed hypertension. A 44-year-old man, previously well, presented to the emergency department with severe hypertension and a 4-hour history of typical angina-like chest pain with associated diaphoresis.
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