HRS is an organization of physicians and health care professionals devoted to the care and management of patients with heart rhythm disturbances. This site has links to educational materials written by experts in arrhythmia management.

American Heart Association (AHA)

The American Heart Association is dedicated to reducing disability and death from cardiovascular diseases and stroke. This site contains general information regarding the treatment of cardiovascular diseases and ways to reduce your risk of developing heart disease and stroke.

The Cardiac Arrhythmias Research and Education (C.A.R.E.) Foundation

The CARE Foundation was founded in 1995 by a group of electrophysiologists and individuals touched by the trauma of sudden cardiac death. Their mission is to provide funding for medical research and to increase medical and public awareness of the unexpected death of children and young adults due to inherited heart rhythm disorders. This site contains information for patients with long QT syndrome.

International Registry for Drug-Induced Arrhythmias (QTDrugs.org)

This site contains information about drugs which should be avoided if you have long QT syndrome. QTdrugs.org is devoted to education and research on drug-induced arrhythmias, especially those due to prolongation of the QT interval on the electrocardiogram (ECG). Prolongation of the QT interval can result in the potentially lethal arrhythmia, torsades de pointes.