Heart Attack Index

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Heart attack happens when a blood clot completely obstructs a coronary artery supplying blood to the heart muscle. A heart attack can cause chest pain, heart failure, and electrical instability of the heart.

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      In This Article
      Polycythemia (High Red Blood Cell Count) Article
      • Polycythemia facts
      • What is polycythemia?
      • What are normal ranges of hematocrit, red cell counts, and hemoglobin?
      • What causes polycythemia?
      • What are the causes of primary polycythemia?
      • What are the common causes of secondary polycythemia?
      • Can other sources of erythropoietin (EPO) cause polycythemia?
      • What is relative polycythemia?
      • What are the risk factors for polycythemia?
      • What is stress polycythemia?
      • What are the symptoms of polycythemia?
      • When should I see a doctor about polycythemia?
      • How is polycythemia diagnosed?
      • What is the treatment for polycythemia?
      • What are the complications of polycythemia?
      • Can polycythemia be prevented?
      • What is the outlook (prognosis) for polycythemia?

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Terms related to Heart Attack:

  • Myocardial Infarction