Useful Links

Invaluable resource of knowledge and understanding about the health and cardiovascular issues:

American College of Cardiology
http://www.acc.org/

American Heart Association
http://www.americanheart.org/

American College of Cardiology - Cardiosource
https://www.acc.org/

National Library of Medicine
http://www.nlm.nih.gov/

Web Medicine
http://www.webmd.com/

American Diabetes Association
http://www.diabetes.org/

MedicineNet.com is an online, healthcare media publishing company. 
http://www.medicinenet.com/

American Society of Echocardiography  (cardiovascular ultrasound)
http://www.asecho.org

American Society of Nuclear Cardiology
http://www.asnc.org

(provide information to patients who are being evaluated and treated for a heart-related complaint)
http://www.heartsite.com

(helping patients and the public better understand heart and circulation ultrasound)
http://www.seemyheart.org/