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/

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

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

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

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

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

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

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

Lethal Dysrhythmias
Offers in depth information on premature ventricular complexes (PVCs), ventricular tachycardia, ventricular flutter, ventricular fibrillation, asystole/ventricular standstill, sinus arrest and pulseless electrical activity (PEA).
http://rnbob.tripod.com/lethaldysrhythmias.htm

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

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

International Health News
A 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

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

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

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

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

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

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

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

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/

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

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/

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/

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

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

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

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

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/

Arrythmia Awareness Week
Annual event supported by organisations whose aims are to improve the lives of individuals and families who have been impacted as a consequence of suffering cardiac arrhythmia.
http://www.aaaw.org.uk/

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://www.fsm.it/cardmoc/

Arrhythmia Alliance
Find medically accredited information on numerous arrhythmias, treatments, latest news and forthcoming events with advisory booklets for download and a community forum.
http://www.heartrhythmcharity.org

MGH Cardiac Arrhythmia Service
Massachusetts General Hospital Heart Center provides expert, state-of-the-art care to patients with all types of heart rhythm disorders. Lists the related diseases and conditions, and the featured treatments and procedures.
http://www.massgeneral.org/heartcenter/index.aspx?page=programs_services&subpage=program_cardiac_arrhythmia

Cardionetics - Rhythms and Arrhythmia
A look at sinus rhythms, blocks, delays, premature beats, supraventricular and ventricular arrhythmias.
http://www.cardionetics.com/cardiology/rhythms-arrhythmia.php