The American College of Cardiology has a patient education and empowerment initiative with the mission to help individuals prevent and manage cardiovascular disease.

https://www.cardiosmart.org/

MedlinePlus Connect is a free service of the National Library of Medicine (NLM), National Institutes of Health (NIH), and the Department of Health and Human Services (HHS). It is a good source of health information for patients, families.

https://medlineplus.gov/