Arrhythmia Alliance
- Group of individuals, patient groups, charities, and medical professionals aimong to raise awareness and promote treatment. Includes medical information and FAQ.
- http://www.aral.org.uk/

SADS UK : The Ashley Jolly SAD Trust
- Voluntary organization raising awareness about heart conditions in young people. Provides support to patients and families.
- http://www.sadsuk.org

SADS Foundation
- A non-profit organization providing information on the disease.
- http://www.sads.org

Cardiac Arrhythmias Research and Education Foundation
- Information and stories about these conditions.
- http://www.longqt.org

Sudden Arrhythmic Death Syndrome
- Information for the family and relatives of a young person who has died.
- http://www.sads.org.uk

The University of Arizona Center for Education and Research on Therapeutics
- Investigating drug-induced arrhythmias, with an international registry, and resources for consumers and professionals.
- http://arizonacert.org/

Mayo Clinic Electrophysiology Laboratory
- A look at the heart and its rhythms, diagnosing, electrophysiologist, bradycardias, tachycardias, supraventricular tachycardias, atrial fibrillation and vetricular tachyarrhythmias.
- http://www.mayoclinic.org/arrhythmia-rst/

Arrhythmia: A Problem With Your Heartbeat
- A discussion on arrhythmias regarding what it is, symptoms, causes, how serious it is, how do you know if you have them, types and treatment.
- http://familydoctor.org/286.xml

SupraVentricularTachycardia Support Group
- SVT or Supra Ventricular Tachycardia is a disorder where the heart starts to beat very hard and very fast for no apparent reason.
- http://www.groups.yahoo.com/group/SVTSupport/

Family Practice Notebook: Arrhythmias in Athletes
- Non-cardiac causes, types, worrisome symptoms and worrisome signs (red flags) are some topics discussed.
- http://www.fpnotebook.com/CV257.htm

Database of Inherited Cardiac Arrhythmias
- An official project of the Working Group on Arrhythmias of the European Society of Cardiology. Provides general description, genetic data (mutations, linkage data, references) concerning the inherited arrhythmigenic diseases.
- http://pc4.fsm.it:81/cardmoc

Irregular Rhythms
- Detailed information about all the types of arrhythmias, flutters and tachycardias.
- http://www.txai.org/edu/irregular/irregular_rhythms.htm

Alternative Treatments
- Explained in lay mans terms what arrhythmias are, with suggested herbs and vitamins.
- http://www.marysherbs.com/heal/heal-arr.htm

OnHealth with WebMD
- Detailed look at an arrhythmia, the causes, and diagnosing. The different types and treatments available.
- http://my.webmd.com/content/article/1675.51093

Guidelines for Implantation of Cardiac Pacemakers and Antiarrhythmia Devices
- A Report of the American College of Cardiology and American Heart Association Task Force on Practice Guidelines. Committee on Pacemaker Implantation.
- http://circ.ahajournals.org/cgi/content/full/97/13/1325

Doctors' Medical Library
- Discussion about arrhythmias including nutritional medicine, chelation therapy and homeopathy.
- http://www.medical-library.net/sites/framer.html?/sites/_cardiac_arrhythmia.html

American Heart Association
- An arrhythmia is an irregular heartbeat. Find out more about the symptoms and treatments of this condition. For patients and professionals.
- http://www.americanheart.org/arrhythmia

Cleveland Clinic Heart Center
- Details about Atrial fibrillation, an abnormal heart rhythm. Includes the causes, diagnosis and treatment.
- http://www.clevelandclinic.org/heartcenter/pub/guide/disease/electric/afib.htm

International Health News
- A comprehensive, fully referenced review of the causes, prevention and treatment options for lone atrial fibrillation. A stress-related disorder that is becoming increasingly common.
- http://www.yourhealthbase.com/atrial_fibrillation.html

London Health Sciences Centre
- A list of doctors who provide arrhythmia services, locations and phone numbers. General information as to who may seek their help, diagnostic tools, therapeutic services and training program.
- http://www.lhsc.on.ca/uwodoc/pages/arrhy.htm

Cardiology Associates
- An in-depth look at arrhythmias, discussing symptoms, causes, how serious and common they are and research among many other topics.
- http://www.cardiology-associates.com/faq/4.html

Vanderbilt Medical Center
- Discussion of four types of arrhythmias and brief look at management in children.
- http://www.mc.vanderbilt.edu/peds/pidl/cardio/arrythm.htm

Palpitations
- Describes terms, doctors' explanations, and what exactly a palpitation is.
- http://www.medicinenet.com/script/main/forum.asp?li=MNI&ArticleKey=437

US Food and Drug Administration
- An In-depth discussion on ventricular arrhythmias and new drugs and devices in curbing deaths from this disorder.
- http://www.fda.gov/fdac/features/1997/397_hart.html

MedicineNet.com
- Presents a detailed discussion on this disorder, giving complete definition, what a normal heart beat is, symptoms, causes, as well as all the different types of arrhythmias.
- http://www.medicinenet.com/Script/Main/Art.asp?li=MNI&ag=Y&ArticleKey=437

HeartPoint
- In-depth detail about this disorder including symptoms, what types, causes, what patient can do, as well as pacemakers, atrial fibrillaion and ventricular arrhythmias.
- http://www.heartpoint.com/arrhythmias%20-%20introduction.html

Temple University Hospital Health Information-Palpatations
- Provides information on symptoms, causes, diagnosis, and treatment.
- http://www.temple.edu/heart/html/palpitations.html

Einthoven
- Continuing education and advances in cardiac arrhythmias. Includes news, key papers, case histories and manuals.
- http://www.arrhythmia.net/

King Faisal Specialist Hospital and Research Centre
- Explanation, diagnosing and treatment of arrhythmias.
- http://www.kfshrc.edu.sa/cardiovascular/html/arrhythmia.html

Health Factsheets From BUPA
- Explaining the causes, symptoms and treatment of arrhythmia, available for down loading in Adobe acrobat format.
- http://hcd2.bupa.co.uk/fact_sheets/mosby_factsheets/Arrhythmia.html

Journal of the Canadian Working Group for Cardiac Pacing/ Journal du Groupe de Travail Canadien po
- For care givers, patients, and industrial sponsors to share information regarding cardiac pacemakers and defibrillators.
- http://www.hrt.org/cwgcpindex.html

Advice from Dr. Dave and Dr. Dee
- An explanation of premature atrial contractions and premature ventricular contractions.
- http://www.drdaveanddee.com/heart.html

St. Luke's-Roosevelt Hospital Center's Arrhythmia Service
- QandAs, electrophysiology information, news, diagnostic procedures, therapeutic procedures and an explanation is presented.
- http://www.arrhythmia.org/

Wolff-Parkinson-White Syndrome
- American Heart Association looks at this disease along with the symptoms and treatment.
- http://216.185.112.5/presenter.jhtml?identifier=4785