EUNACOM Sección Teórica Practice Questions - Chile EUNACOM Sección Teórica - Examen Único Nacional De Conocimientos De Medicina Exam

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A 58-year-old male with a history of hypertension and smoking presents to the emergency department with 90 minutes of retrosternal crushing chest pain radiating to the left arm and jaw. An immediate 12-lead ECG reveals 3 mm ST-segment elevation in leads V1–V4. Blood pressure is 145/90 mmHg, heart rate is 88 bpm, and oxygen saturation is 97% on room air. The hospital has a functional catheterization laboratory ready to perform primary percutaneous coronary intervention (PCI) within 45 minutes. What is the immediate first-line management protocol for this patient under Chilean GES clinical guidelines?

Administer oral chewable aspirin 250–300 mg, a loading dose of a P2Y12 inhibitor (such as ticagrelor or clopidogrel), and transfer immediately for primary PCI Administer IV recombinant tissue plasminogen activator (tPA) immediately before transferring to the catheterization laboratory Administer sublingual nitroglycerin, high-flow supplemental oxygen by non-rebreather mask, and wait for initial serum troponin results before invasive therapy Administer therapeutic subcutaneous low-molecular-weight heparin and admit to the coronary care unit for elective coronary angiography at 48 hours

Correct Answer:

Administer oral chewable aspirin 250–300 mg, a loading dose of a P2Y12 inhibitor (such as ticagrelor or clopidogrel), and transfer immediately for primary PCI

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