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Your heart and types of heart problems

  • Did you know?

    About 13 million people in the U.S. have heart disease.

    (Source: National Heart, Lung and Blood Institute)

    Many people who have been in the hospital for cardiac, or heart, problems want to learn more about how their heart works and what went wrong with their heart.

    In this section, we explain the basics and encourage you to ask your health care team about anything that you don't understand or want to know more about after reading this information.