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Non-ST elevation myocardial infarction — RCPSC EM MCQ

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ModerateCardiovascular emergenciesNon-ST elevation myocardial infarctionRCPSC EM

A 63-year-old man has 20 minutes of chest tightness that resolved before arrival. ECG shows transient ST depression in V4-V6, high-sensitivity troponin is rising, and he has diabetes and prior PCI. He is pain-free after aspirin. What is the most appropriate disposition?

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Correct answer: C — Admit to monitored care for NSTEMI management

Dynamic ischaemic ECG changes with rising troponin indicate NSTEMI. This patient needs monitored admission, antithrombotic therapy, and cardiology-guided invasive risk stratification.

Reference: Canadian Cardiovascular Society acute coronary syndrome guidance