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Myocardial Infarction — NCLEX Cheat Sheet
Ischemic heart muscle death
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Use this quick-reference guide to spot, treat, and prevent Myocardial Infarction on the NCLEX. Keep it handy during review and on exam day!
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Signs
What to look for- Crushing chest pain → arm/jaw
- Not relieved by rest/nitro
- Diaphoresis, N/V, SOB, anxiety
- Women: fatigue, atypical pain
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Labs
Key numbers- ↑ Troponin (gold standard)
- ST elevation = STEMI
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Do
Nursing actions- MONA: Morphine O₂ Nitro Aspirin
- PCI within 90 min, 12-lead ECG
- Bed rest, telemetry, IV access
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Report
Notify / act now- V-fib, cardiogenic shock
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Quick Tip
Classic symptom is crushing substernal chest pain or pressure that may radiate to the left arm, jaw, neck, or back and is unrelieved by rest or nitroglycerin.
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