1. Atrial Fibrillation About 2 million Americans have atrial fibrillation, putting them at risk of clots and strokes. atrial fibrillation What is atrial fibrillation (AF)? http://www.americanheart.org/presenter.jhtml?identifier=4451

2. Information On Rapid Or Irregular Heartbeat, Arrhythmia, And Atrial Fibrillation Information about the most common cardiac arrhythmia atrial fibrillation. Includes information on symptoms such as rapid or irregular heartbeat, diagnosis, and atrial fibrillation treatment such http://www.aboutatrialfibrillation.com/

Information about the most common heart arrhythmia, atrial fibrillation, including its scope, symptoms, related diagnostic tests and treatments. Resources Glossary About St. Jude Medical Related Websites

3. Atrial Fibrillation - Resources For Patients Examination of atrial fibrillation from a patient's point of view, with remedies and help finding a doctor. Includes experiences of cured patients. told that you (or a relative or friend of yours) have atrial fibrillation? This Web site is designed to give you the http://www.a-fib.com/

Atrial Fibrillation Resources for Patients Have you been told that you (or a relative or friend of yours) have Atrial Fibrillation? This Web site is designed to give you the information you need, and to help you find the right doctor and medical center to cure your A-Fib. It also includes personal experiences of those who have had A-Fib and been cured. This site is designed primarily for non-medical personnel and is written from a patient's point of view. (The author had A- Fib and was cured in April, 1998, by the use of a procedure called Focal Catheter Ablation (Pulmonary Vein Ablation) .) This Web site tries as much as possible to translate medical terms into everyday language. However, medical journals are cited so that you can read a particular article yourself. For a brief overview of Atrial Fibrillation, go to Atrial Fibrillation Overview If you're interested in what may have caused your A-Fib, go to Causes of Atrial Fibrillation. To read an evaluation of the various treatments for A-Fib or to find out how to be cured of your A-Fib through Pulmonary Vein Ablation (Isolation) , go to Cures for Atrial Fibrillation.

4. MedlinePlus Medical Encyclopedia: Atrial Fibrillation/flutter In atrial fibrillation and flutter, the atria are stimulated to contract very quickly and differently contraction of the atria in atrial fibrillation, and in a peculiarly organized http://www.nlm.nih.gov/medlineplus/ency/article/000184.htm

@import url(http://www.nlm.nih.gov/medlineplus/images/advanced.css); Skip navigation Medical Encyclopedia Other encyclopedia topics: A-Ag Ah-Ap Aq-Az B-Bk ... Z Atrial fibrillation/flutter Contents of this page: Illustrations Alternative names Definition Causes, incidence, and risk factors ... Prevention Illustrations Heart, section through the middle Heart, front view Posterior heart arteries Anterior heart arteries Alternative names Return to top Auricular fibrillation; A-fib Definition Return to top Atrial fibrillation/flutter is a heart rhythm disorder (arrhythmia). It usually involves a rapid heart rate , in which the upper heart chambers (atria) are stimulated to contract in a very disorganized and abnormal manner. Causes, incidence, and risk factors Return to top Arrhythmias are caused by a disruption of the normal functioning of the electrical conduction system of the heart. Normally, the atria and ventricles contract in a coordinated manner. In atrial fibrillation and flutter, the atria are stimulated to contract very quickly and differently from the normal activity originating from the sinoatrial node. This results in ineffective and uncoordinated contraction of the atria in atrial fibrillation, and in a peculiarly organized contraction pattern in atrial flutter. The condition can be caused by impulses which are transmitted to the ventricles in an irregular fashion or by some impulses failing to be transmitted. This makes the ventricles beat irregularly, which leads to an irregular (and usually fast) pulse in atrial fibrillation.

5. A-Fib 101 [From The Atrial Fibrillation Page] AFib 101 Why atrial fibrillation makes you feel so bad, and what you can do about it BELIEVE IT OR NOT, atrial fibrillation IS THE MOST COMMON form of arrhythmia, affecting more than 2 that http://members.aol.com/mazern/afib101.htm

B ELIEVE IT OR NOT, ATRIAL FIBRILLATION IS THE MOST COMMON form of arrhythmia, affecting more than 2 million people annually. Until just a few years ago health care providers thought AF to be a "nuisance" arrhythmia with few consequences. However, recent medical research has uncovered some devastating complications including stroke, congestive heart failure and cardiomyopathy that are directly related to AF. Research has yet to uncover the definitive cause of AF. A number of other health conditions including thyroid disorders, valve disease, hypertension, sick sinus syndrome, pericarditis, lung disease, and congenital heart defects are also associated with AF. This type of arrhythmia can occur at any age, but its prevalence tends to increase with age and affects men slightly more often than women. How things are supposed to work To better understand the mechanism and characteristics of AF, it is best to begin by describing the normal mechanical and electrical activity of the heart. The heart is a muscle and functions primarily as a double-sided pump. The left side of the heart pumps blood rich in oxygen to supply all parts of the body, while the right side of the heart pumps blood back to the lungs to pick up more oxygen. There are four chambers, two upper chambers called the left and the right

6. Circulation -- Prystowsky Et Al. 93 (6): 1262 A statement for health care professionals from the subcommittee on electrocardiography and electrophysiology, American Heart Association. http://circ.ahajournals.org/cgi/content/full/93/6/1262

Citation Map Email this article to a friend Similar articles found in: Circulation Online PubMed PubMed Citation This Article has been cited by: other online articles Search PubMed for articles by: Prystowsky, E. N. Wyse, D. G. Alert me when: new articles cite this article Download to Citation Manager Circulation. Articles Management of Patients With Atrial Fibrillation A Statement for Healthcare Professionals From the Subcommittee on Electrocardiography and Electrophysiology, American Heart Association Eric N. Prystowsky, MD, Chair D. Woodrow Benson, Jr, MD, PhD Valentin Fuster, MD, PhD Robert G. Hart, MD G. Neal Kay, MD Robert J. Myerburg, MD Gerald V. Naccarelli, MD D. George Wyse, MD, PhD Executive Summary Top Executive Summary Epidemiology Pathophysiology Clinical Presentations Approach to Treatment Restoration of Sinus Rhythm... Control of Ventricular Rate... Preventing Thromboembolism in... References Atrial fibrillation (AF) is the most common sustained arrhythmia encountered in clinical practice. Its incidence increases with age and the presence of structural heart disease. It is a major

7. The Atrial Fibrillation Page The atrial fibrillation Page Its debilitating consequences, plus everything you ever wanted to know about the Maze procedure, a surgical cure for AF. http://members.aol.com/mazern/

Welcome to the Atrial Fibrillation Page This web site has been developed to provide accurate information about atrial fibrillation (AF) and the Maze procedure, an open-heart surgical procedure that cures AF. Many thousands of people suffer from the devastating effects of AF and have very little understanding of what the condition is and the current treatment options that are available. This information is here to help patients with AF make informed decisions about the right course of therapy with the assistance of their physicians and health care providers. A-Fib 101 The ABC's of atrial fibrillation and why it makes you feel so bad, plus current medical and surgical therapies available to today's AF sufferers. Maze FAQ Just about everything you ever wanted to know about the Maze procedure, a surgical cure for AF. Glossary Some AF-related terms you'll need to know in order to get the most out of these pages. Feedback Feedback from Maze patients and how to contact us for more information. AF Page Message Board Patients ask questions and share their experiences with AF and the Maze procedure.

8. ACC/AHA/ESC Guidelines For The Management Of Patients With Atrial Fibrillation Table of Contents. Print a PDF. References. Figures Tables Previous. Next FUSTER ET AL., ACC/AHA/ESC GUIDELINES FOR THE MANAGEMENT OF PATIENTS WITH atrial fibrillation. J Am Coll Cardiol 2001;381266i1xx http://www.acc.org/clinical/guidelines/atrial_fib/af_index.htm

var showMenu="ExpandMain:clinical;"; // document.modified = "Tuesday March 12, 2002"; document.modified = "03/12/2002"; Table of Contents Print a PDF References Next FUSTER ET AL., ACC/AHA/ESC GUIDELINES FOR THE MANAGEMENT OF PATIENTS WITH ATRIAL FIBRILLATION J Am Coll Cardiol 2001;38:1266i-1xx ACC/AHA/ESC Guidelines for the Management of Patients with Atrial Fibrillation A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and the European Society of Cardiology Committee to Develop Guidelines for the Management of Patients with Atrial Fibrillation Developed in Collaboration with the North American Society of Pacing and Electrophysiology Committee Members Valentin Fuster, MD, PhD, FACC, Chair; Lars E. Rydén, MD, PhD, FACC, FESC, Co-Chair; Richard W. Asinger, MD, FACC; David S. Cannom, MD, FACC; Harry J. Crijns, MD, FESC; Robert L. Frye, MD, MACC; Jonathan L. Halperin, MD, FACC; G. Neal Kay, MD, FACC; Werner W. Klein, MD, FACC, FESC; Samuel Lévy, MD, FACC, FESC; Robert L. McNamara, MD, MHS, FACC; Eric N. Prystowsky, MD, FACC; L. Samuel Wann, MD, FACC; D. George Wyse, MD, PhD, FACC

9. EMedicine - Atrial Fibrillation : Article By Lawrence Rosenthal, MD, PhD Medicine, Ob/Gyn, Psychiatry, and Surgery Cardiology. atrial fibrillation Background atrial fibrillation (AF) is a common arrhythmia and a significant public health problem in the http://www.emedicine.com/med/topic184.htm

(advertisement) Home Specialties Resource Centers CME ... Patient Education Articles Images CME Patient Education Advanced Search Consumer Health Link to this site Back to: eMedicine Specialties Medicine, Ob/Gyn, Psychiatry, and Surgery Cardiology Atrial Fibrillation Last Updated: May 24, 2004 Rate this Article Email to a Colleague Synonyms and related keywords: AF, atrial flutter, arrhythmia, AFL, supraventricular tachycardia, SVT, congestive heart failure, CHF, ventricular tachycardia, VT, ventricular fibrillation, VF, coronary artery disease, CAD, thromboembolic stroke AUTHOR INFORMATION Section 1 of 11 Author Information Introduction Clinical Differentials ... Bibliography Author: Lawrence Rosenthal, MD, PhD , Assistant Professor of Medicine, Division of Cardiology, Director of Clinical Electrophysiology and Pacing, Department of Internal Medicine, Division of Cardiovascular Medicine, University of Massachusetts Memorial Medical Center Lawrence Rosenthal, MD, PhD, is a member of the following medical societies: American College of Cardiology American Heart Association , New England Electrophysiology Society, and North American Society for Pacing and Electrophysiology Editor(s): Alan D Forker, MD

10. Atrial Fibrillation - CardiologyChannel Atrial fibrilation, or afib, is an abnormality of heart rhythm in which the heart no longer contracts in an organized manner. Heart rate often becomes irregular and may be very fast, producing Angina. Aortic Stenosis. atrial fibrillation. Chest Pain. Congestive Heart http://www.cardiologychannel.com/afib

Home Search SiteMap Ask the Dr. ... Medical Store advertisement ATRIAL FIBRILLATION Overview Causes Symptoms Diagnosis ... Long-term Management CONDITIONS Angina Aortic Stenosis Atrial Fibrillation Chest Pain ... Congestive Heart Failure Endocarditis Heart Attack High Cholesterol Hypertension ... Pericarditis DIAGNOSTIC TESTS Cardiac Catheterization TREATMENTS Coronary Angioplasty Pacemaker RESOURCES Anatomy Clinical Trials Health Profiler Links ... What Is a Cardiologist? About Us Healthcommunities.com Pressroom Testimonials Overview Atrial fibrillation is an abnormality of heart rhythm in which chambers of the heart contract in a disorganized manner, producing an irregular heart rate. Atrial fibrillation can lead to heart failure (shortness of breath, edema, palpitations) and chest pains and, when left untreated, can lead to stroke. Normal Blood Flow in the Heart The heart has a right side and a left side and each side has a chamber that receives blood returning to the heart (atrium) and a muscular chamber that pumps blood out of the heart (ventricle). Atria are relatively thin-walled chambers, whereas the ventricles are much more muscular. Blood passes from the atria into the ventricles through two processes. During the resting phase, when the ventricles are not contracting, the tricuspid and mitral valves open. Some of the blood that has accumulated in the atria passively flows through the tricuspid and mitral valves into the right and left ventricles, respectively. The atria then contract, pumping blood out and into the ventricles. Once the ventricles fill with blood, they contract, pumping blood into the lungs and to the body.

11. Atrial Fibrillation atrial fibrillation, an abnormal heart rhythm, causes, diagnosis and treatment . atrial fibrillation. Click here to learn about http://www.clevelandclinic.org/heartcenter/pub/guide/disease/electric/afib.htm

Heart Guide Vascular Guide History of Innovations About Us ... Dictionary Treating the Heart, Blood Vessels and Circulation Atrial Fibrillation Click here to learn about: What is atrial fibrillation? What causes atrial fibrillation? What are the symptoms? How is atrial fibrillation diagnosed? ... How to find a doctor if you have atrial fibrillation Normal heart rhythm The heart's conduction system. (click on illustration for larger view) Normally, the heart beat begins at the sinoatrial (SA) node, located in your right atrium. When the SA node fires, electrical activity spreads through the right and left atria, causing them to contract. The impulses travel to the AV (atrioventricular) node, which is the bridge that allows the impulses to go from the atria to the ventricles. The impulse then travels through the walls of the ventricles, causing them to contract. The heart's regular pattern of electrical impulses causes the heart to fill with blood and contract in a normal fashion.

12. Atrial Fibrillation atrial fibrillation. Echocardiography Journal Alphabetical List / Chronological List / Images / Home Page. Transesophageal echo showing a thrombus in the left atrial appendage of a patient with atrial fibrillation. http://www2.umdnj.edu/~shindler/a_fib.html

Atrial Fibrillation E-chocardiography Journal: Alphabetical List Chronological List Images Home Page Transesophageal echo showing a thrombus in the left atrial appendage of a patient with atrial fibrillation. Transesophageal echo showing spontaneous contrast "smoke" in the left atrial appendage of a patient with atrial fibrillation. Diagnosis and treatment of atrial fibrillation by Alan D. Clark, M.D. and Robert Stauffer, M.D. Overview by Martin C. Burke, D.O. SPAF III discussion at Journal Club on the Web Transesophageal echocardiography for left atrial thrombus. The clinical trials below established the value of warfarin for reducing the rate of stroke in patients with atrial fibrillation. AFASAK SPAF BAATAF CAFA SPINAF 1. Stroke Prevention in Atrial Fibrillation Investigators. Design of a multicenter randomized trial for the Stroke Prevention in Atrial Fibrillation Study. Stroke 1990;21: 538-545. 2. Boston Area Anticoagulation Trial for Atrial Fibrillation Investigators. The effect of low-dose warfarin on the risk of stroke in nonrheumatic atrial fibrillation. N Engl J Med 1990;323:1505-1511. 3. Connolly SJ. Paupacis A. Gent M. et al. Canadian Atrial Fibrillation Anticoagulation (CAFA) Study. J Am Coll Cardiol 1991;18:349-355.

13. Atrial Fibrillation Foundation An organization dedicated to research and patient education in this heart disorder. Provides resources for patients on the diagnosis and treatment of AF. http://www.affacts.org

Home Medications Procedures Research ... Information What is atrial fibrillation (AF)? Atrial fibrillation is the most common serious heart rhythm disturbance. Did you know? More than 2 million Americans have AF This number will double within 20 years AF affects nearly 1 in 10 people over 80 AF accounts for one fourth of all strokes in the elderly To learn more about the diagnosis, evaluation and treatment of atrial fibrillation refer to our commonly asked questions and answers. To learn more about the use of pulmonary vein ablation in the treatment of atrial fibrillation. Click here to go to Dr. David Keane's article. For a printable version of this article click here To learn more about the role of clinical trials in the treatment of atrial fibrillation. Click here to go to Dr. Reiffel's article. News and Upcoming Events Patient Education Day October 23, 2004 Seaport Hotel Boston, MA

14. Medtronic Provides Useful Information About Atrial Fibrillation Or "heart Flutte Explanation, diagnosis, and treatment options for this heart disorder. Well illustrated and includes sections for professionals and patient stories. http://www.medtronic.com/af/

Diagnosing Atrial Fibrillation More Information about Atrial Fibrillation Bradycardia Heart Attack Sudden Cardiac Arrest Tachyarrhythmia ... Ventricular Tachycardia Stages of Your Condition Atrial fibrillation (AF) is when the upper heart chambers (atria) quiver instead of pumping blood effectively. Blood in the atria may pool and clot. If a clot breaks loose and advances to the brain, a stroke can result. The treatment for AF is based on factors related to the heart rhythm, symptoms, and other medical conditions. Join a Support Community Live Events Big Early-Death Risk: Being Male Cholesterol Drug Safety Questioned ... theheart.org

15. Atrial Fibrillation atrial fibrillation may result from multiple areas of reentry within the atria or from multiple ectopic foci. atrial fibrillation. http://www.americanheart.org/presenter.jhtml?identifier=1596

16. Lone Atrial Fibrillation A comprehensive, fully referenced review of the causes, prevention and treatment options for lone atrial fibrillation. A stressrelated disorder that is becoming increasingly common. http://www.yourhealthbase.com/atrial_fibrillation.html

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. Lone Atrial Fibrillation by Hans R. Larsen, MSc ChE A steady, inconspicuous heartbeat is usually taken for granted so when an attack of atrial fibrillation strikes it is a very frightening experience. The heart beats wildly with a pulse rate as high as 200 beats/minute, dizziness and breathlessness and even fainting may follow and chest pain, extreme fatigue and the need for frequent urination are common symptoms. Fibrillation attack victims usually experience one or more of these symptoms, but a few patients are not aware of any symptoms at all until an electrocardiogram exposes their irregular heart rhythm(1-4). Atrial fibrillation is the most common cardiac arrhythmia and affects more than 1.5 million Americans. Its primary characteristic is a rapid and irregular heartbeat. The incidence of atrial fibrillation shows a significant increase beyond the age of 50 years and the condition is considerably more common among men than among women. Atrial fibrillation may be chronic or intermittent (paroxysmal) and may be triggered by an underlying heart disease such as mitral valve prolapse or stenosis, coronary artery disease, hypertensive heart disease, a heart attack or an inflammation of the membrane surrounding the heart (pericarditis). Atrial fibrillation is also a common complication of heart surgery(1-3,5-7).

17. Lone Atrial Fibrillation Forum A discussion group for personal experiences regarding this heart disorder. http://www.yourhealthbase.com/lafforum.html

THE AFIB REPORT www.afibbers.org Editor: Hans R. Larsen MScChE The Afib Report – www.afibbers.org. Visit our LAFFORUM for information about lone atrial fibrillation. Active, in-depth discussion lounge. Lone Atrial Fibrillation Forum A forum for sharing personal experiences regarding lone atrial fibrillation Welcome to our new Lone Atrial Fibrillation Forum! Our purpose is to serve as a gathering place for people who suffer from LAF or who care for someone who does. Lone atrial fibrillation, although not life- threatening, can have a devastating effect on one's life. Conventional medical science has very little to offer when it comes to curing or preventing this condition and what it does have to offer (digoxin, amiodarone, sotalol, warfarin, etc.) often has serious side effects and, in some cases, can actually make things worse. I have myself battled LAF for over 10 years and have tried most alternative and complementary approaches to preventing LAF attacks. In 1996 I wrote an article on this subject which was based on my exhaustive study of the disorder. If you have not already read this article please do so at http://www.afibbers.org/atrial_fibrillation.htm

18. Atrial Flutter Mechanism, symptoms and potential consequences of both atrial fibrillation and atrial flutter atrial fibrillation. atrial fibrillation is a rapid chaotic rhythm that originates from multiple sites rise to the symptoms of atrial fibrillation, such as palpitations, rapid heart http://www.arrhythmia.org/general/whatis/fibflutter.html

Atrial Fibrillation/Flutter Atrial Fibrillation Atrial Flutter Atrial flutter also involves rapid firing of the electrical impulse as in atrial fibrillation, but the rhythm or heart beat is more regular or organized. The rhythm is due to reentry within the atria. The electrical impulse travels in circles arriving back at the same point, usually around 300 times per minute. Signs and symptoms often experienced with atrial flutter are similar to those of atrial fibrillation, such as a pounding heart rate or pulse, shortness of breath, or dizziness. If you have any questions or concerns about this site, please contact webmaster@docnet.org

19. Redirect Page For "/heartbeat/" Brief description of arrhythmias and an in depth look at the different types including bradycardias, tachycardias and atrial fibrillation. http://www.mayo.edu/heartbeat

The page you requested has moved to a new location. http://www.mayoclinic.org/cardiovascular-rst/arrhythmiaclinic.html This page should automatically redirect your browser. Please update your bookmarks. File index.html last modified: Thursday, 10-Jul-2003 11:52:16 CDT

20. ICAGEN Discovers and develops pharmaceutical products to treat medical conditions such as atrial fibrillation, urinary incontinence, central nervous system disorders, and sickle cell disease. http://www.icagen.com/

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