An ECG reveals ST elevation in leads V1-V4. Which coronary artery is most likely occluded?

An ECG reveals ST elevation in leads V1-V4. Which coronary artery is most likely occluded?

  • Correct Answer: Left anterior descending (LAD)
  • Right coronary artery (RCA)
  • Left circumflex artery (LCx)
  • Posterior descending artery (PDA)

Explanation: LAD occlusion causes ST elevation in V1-V4 indicating anterior wall myocardial infarction.

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