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Acute Coronary Syndromes Flashcards

7 cards from real ACLS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Acute Coronary Syndromes flashcards as text

  1. A patient presents with chest pain and an ECG showing ST elevation in leads II, III, and aVF. Which coronary artery is most likely occluded?

    Answer: Right coronary artery

    ST elevation in leads II, III, and aVF indicates an inferior STEMI, most commonly caused by occlusion of the right coronary artery.

  2. Which of the following is the preferred reperfusion strategy for STEMI if PCI can be performed within 90 minutes of first medical contact?

    Answer: Primary percutaneous coronary intervention

    Primary PCI is the preferred reperfusion strategy for STEMI when it can be performed within 90 minutes of first medical contact at a PCI-capable center.

  3. A patient with NSTEMI has ongoing chest pain despite aspirin, heparin, and nitroglycerin. What is the next best step?

    Answer: Add a P2Y12 inhibitor such as ticagrelor or clopidogrel

    Dual antiplatelet therapy with aspirin plus a P2Y12 inhibitor (ticagrelor, clopidogrel, or prasugrel) is indicated for NSTEMI management.

  4. Which biomarker is most specific for myocardial injury and is the preferred marker for diagnosing ACS?

    Answer: Troponin I or Troponin T

    Cardiac troponin I and T are the most sensitive and specific biomarkers for myocardial injury and are the preferred markers for ACS diagnosis.

  5. A 58-year-old male presents with diaphoresis, nausea, and jaw pain but denies chest pain. His ECG shows new ST elevation. What is the most likely diagnosis?

    Answer: STEMI with atypical presentation

    STEMI can present atypically with jaw pain, nausea, and diaphoresis without classic chest pain, particularly in diabetic patients and women.

  6. What is the maximum single dose of aspirin recommended for initial ACS treatment in the prehospital or ED setting?

    Answer: 162–325 mg

    The recommended initial aspirin dose for suspected ACS is 162–325 mg (non-enteric coated) chewed as soon as possible.

  7. Which of the following findings on ECG is most consistent with posterior STEMI?

    Answer: ST depression with tall R wave in V1–V2

    Posterior STEMI manifests as ST depression with tall, broad R waves in leads V1–V2, representing a mirror image of posterior wall injury.