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Human Health Campus
Human Health Campus
Human Health Campus

Post AMI risk stratification

Teaching Case

Case presentation:

  • Female.
  • 71 y.o.
  • Anterior acute myocardial infarction (AMI).
  • Symptoms of heart failure, no chest pain.
  • Post MI risk stratification (pre-discharge).
  • Myocardial perfusion imaging with 99mTc / dipyridamole.

Teaching points:

  • The aim of risk stratification in stable AMI survivors is to rapidly identify high-risk patients who might benefit from cardiac revascularization, and low-risk patients for whom medical therapy and early hospital discharge is appropriate.
  • Revascularization does not improve outcome beyond medical therapy when there is minimal or no induced ischemia.
  • Post MI, relative risk for cardiac events significantly increases as LVEF decreases: An LVEF ≥50% predicts a 1- year event rate of 5%, which reaches 27% in patients with an LVEF <20%.

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