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Heart Health

Types of heart failure: What do the different terms mean?

The terms doctors use to describe and classify heart failure can be confusing. Here's an overview of the various forms of this common condition.

By , Executive Editor, Harvard Heart Letter
  • Reviewed by Dara Lee Lewis, MD, Contributor; Editorial Advisory Board Member, Harvard Health Publishing
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Heart failure (when the heart can’t pump or fill with blood effectively) stems from a range of conditions that weaken or stiffen the heart. Heart failure is described and classified by what part of the heart is affected and the severity of symptoms.

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About the Author

photo of Julie Corliss

Julie Corliss, Executive Editor, Harvard Heart Letter

Julie Corliss has been the executive editor of the Harvard Heart Letter since 2013. She also writes for the Harvard Health Letter, Harvard Women’s Health Watch, and Harvard Men’s Health Watch, as well as for Harvard … See Full Bio
View all posts by Julie Corliss

About the Reviewer

photo of Dara Lee Lewis, MD

Dara Lee Lewis, MD, Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Dara Lee Lewis is a full-time cardiologist and the medical director of the Lown Group. Her clinical interests include preventive cardiology, general cardiology, and heart disease in women. She is an assistant professor of medicine … See Full Bio
View all posts by Dara Lee Lewis, MD
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