Harvard Heart Letter

Ask the doctor: What does an enlarged heart signify?

Ask the doctor

What does an enlarged heart signify?

Q. My doctor told me I have an enlarged heart. What is this? What causes it and what does it mean for my health?

A. The term "enlarged heart" refers to a heart that is larger than average for the age and size of its owner. It can mean many things, and not all of them are worrisome.

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