CardioSmart CardioSmart is a patient education site of the American College of Cardiology. American Heart Assocation The American Heart Association is a national voluntary health agency whose mission is to reduce disability and death from cardiovascular diseases and stroke. See My Heart Information for patients on Heart Ultrasound (Echocardiography) presented by the American Society of Echocardiography ICAEL Find out why echo lab accreditation is important for you as a patient or referring physician. ICANL Find out why nuclear cardiology lab accreditation is important for you as a patient or referring physician.