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[Severe anemia-induced type 2 myocardial infarction]

János Tomcsányi1, Hrisula Arabadzisz1, Kristóf Tomcsányi1

  • 11 Betegápoló Irgalmasrend Budai Irgalmasrendi Kórháza, Kardiológia Budapest Magyarország.

Orvosi Hetilap
|February 1, 2026
PubMed

Insights

Severe anemia can trigger type 2 myocardial infarction in patients with coronary disease. Prompt blood transfusion, rather than antiplatelet therapy, is recommended for these critical cardiac events.

Area of Science:

  • Cardiology
  • Hematology

Background:

  • Acute bleeding can precipitate type 2 myocardial infarction (MI) in patients with pre-existing atherosclerotic coronary artery disease.
  • This type of MI is distinct from plaque rupture and is often associated with severe anemia.

Purpose of the Study:

  • To highlight the link between severe anemia and type 2 MI.
  • To emphasize the diagnostic and therapeutic implications of ECG abnormalities in anemic patients with coronary disease.

Main Methods:

  • Presentation of four case studies involving patients with anemia and acute coronary syndromes.
  • Coronarography and electrocardiogram (ECG) findings were analyzed in conjunction with clinical presentation.

Main Results:

  • Suspected anemia combined with extensive ST depression on ECG can indicate type 2 MI.
  • Severe anemia (hemoglobin <80 g/L) with ST depression often shows minor elevations in troponin T and creatine kinase.
  • Blood transfusion, addressing the bleeding source, typically precedes coronary intervention.
  • Transfusion led to the regression or disappearance of ischemic ECG abnormalities, including pathological Q-waves in some cases.

Conclusions:

  • Anemia-induced type 2 MI requires a shift in management, prioritizing transfusion over immediate antiplatelet or heparin therapy.
  • Early recognition and management of anemia are crucial for improving outcomes in patients with coronary disease and acute ischemic events.

Keywords:
anaemiaanemiableedingmyocardial infarctionmyocardialis infarktustransfusiontransient Q wavetranszfúziótranziens Q-hullámvérzés

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