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Questions
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Modules
6
Topics
8
Cardiovascular medicine
0/10Moderate

A 62-year-old man presents to the emergency department with 2 hours of central crushing chest pain radiating to his left arm. He is diaphoretic. ECG shows 2 mm ST-elevation in leads II, III and aVF with reciprocal changes in I and aVL. Blood pressure is 92/58 mmHg and heart rate 48 bpm. Which coronary artery is most likely occluded?

  • ALeft anterior descending artery
  • BLeft circumflex artery
  • CRight coronary artery
  • DLeft main stem
  • EPosterior descending artery
Key learning point: Inferior STEMI + bradycardia + hypotension = suspect RCA occlusion and possible RV involvement. Nitrates should be used with caution.

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Cardiovascular medicineRespiratory medicineGastroenterologyNeurologyEndocrinologyPharmacologyAnatomyPhysiology