1. Arrythmia: Home Page QandAs, electrophysiology information, news, diagnostic procedures, therapeutic procedures and an explanation is presented. http://www.arrhythmia.org/

Live Webcast On March 3rd , The Arrhythmia Service at St. Luke's-Roosevelt Hospital participated in a live webcast of a catheter ablation, a new treatment for atrial fibrillation. To view the webcast, click here: Go to Webcast Announcing the opening of our new Atrial Fibrillation Ablation Center Learn if you are a candidate for this highly effective procedure. Have you or a loved one been diagnosed with an irregular heart beat or arrhythmia? This can be a serious, but treatable, medical condition. The physicians of The Arrhythmia Service can diagnose and treat cardiac arrhythmia using the latest technologies and medical interventions. This web site will introduce you to our practice and provide basic information about arrhythmia and the procedures we use to diagnose and treat these conditions. You can also visit us often to read the latest news on arrhythmia and see what clinical trials are being conducted by our staff to advance our knowledge about arrhythmia and related heart disorders. The Arrhythmia Service is affiliated with Columbia University College of Physicians and Surgeons Home

2. Arrhythmia This site contains information about arrhythmia Acyanotic. Angina. Atherosclerosis. arrhythmia. Blood Pressure. Cholesterol. Coronary Disease A very common long term arrhythmia is atrial fibrillation http://www.mamashealth.com/arrhythmia.asp

Mamashealth.com Home Heart Disease Pages Acyanotic Angina Atherosclerosis Arrhythmia ... Rheumatic Heart Disease Links Email Mama The heart is a pump that functions by pushing the blood through its four chambers. The blood is "pushed" through in a controlled sequence of muscular contractions. The sequence is controlled by bundles of cells which control the electrical activity of the heart. When the sequence is disturbed, heart arrhythmias occur. Arrhythmias are abnormal rhythms of the heart . They cause the heart to pump blood less effectively. Most cardiac arrhythmias are temporary and benign. Most temporary and benign arrhythmias are those where your heart skips a beat or has an extra beat. The occasional skip or extra beat is often caused by These occasional changes can be brought on by strong emotions or exercise. Nonetheless, some arrhythmias may be life-threatening and require treatment. Arrhythmias can be divided into two main categories ventricular and supraventricular . Supraventricular arrhythmias occur in the heart's two upper chambers called the artium. Ventricular arrhythmias occur in the heart's two lower chambers called the ventricles. Supraventricular and Ventricular arrhythmias are further defined by the speed of the heartbeats: very slow, very fast and fast uncoordinated. A very slow heart rate is called

3. Arrhythmia arrhythmia. arrhythmias are disorders of the regular rhythmic beating of the heart. Patients Have you or a loved one recently been diagnosed with an arrhythmia? http://www.americanheart.org/presenter.jhtml?identifier=10845

4. MedlinePlus: Arrhythmia arrhythmia L M N O P Q R S T U V W XYZ List of All Topics. arrhythmia NIH organization for research on arrhythmia is the National Heart, Lung, and http://www.nlm.nih.gov/medlineplus/arrhythmia.html

@import url(http://www.nlm.nih.gov/medlineplus/images/advanced.css); Skip navigation Other health topics: A B C D ... List of All Topics Arrhythmia Contents of this page: News From the NIH General/Overviews Anatomy/Physiology ... Information from the Medical Encyclopedia Search MEDLINE for recent research articles on Arrhythmia You may also be interested in these MedlinePlus related pages: Pacemakers and Implantable Defibrillators Heart and Circulation Latest News Age, Weight Predict Fatal Heartbeat After Surgery (05/12/2004, Reuters Health) Surgery Cuts Cardiac Arrests among Those with Rare Heart Disorder (03/29/2004, American Heart Association) From the National Institutes of Health Arrhythmias/Rhythm Disorders (National Heart, Lung, and Blood Institute) General/Overviews Arrhythmias (Patient Education Institute) - requires Flash plug-in Also available in: Spanish Cardiac Arrhythmias (American College of Cardiology) Sudden Cardiac Death (Cardiac Arrest) (Heart Rhythm Society) Also available in: Spanish What Are Arrhythmias? (American Heart Association) Anatomy/Physiology Anatomy of the Heart (Texas Heart Institute) Also available in: Spanish Heartbeat (Texas Heart Institute) Normal Heart (Heart Rhythm Society) Also available in: Spanish Clinical Trials ClinicalTrials.gov: Arrhythmia

5. What Are Arrhythmias? minute. The term arrhythmia refers to any change from the normal sequence of electrical impulses, causing abnormal heart rhythms. http://www.americanheart.org/presenter.jhtml?identifier=560

6. Arrhythmia - Texas Heart Institute Heart Information Center Click here for. Heart Owner's. Update. This publication contains information to help you understand and live a hearthealthy lifestyle. arrhythmia ( En español) Your heart pumps nearly five quarts of http://www.tmc.edu/thi/arrhythm.html

//var DOCUMENTGROUP=''; //var DOCUMENTNAME=''; //var ACTION=''; Heart Information Center Click here for Heart Owner's ... Update This publication contains information to help you understand and live a heart-healthy lifestyle. Published for friends of the Texas Heart Institute. Arrhythmia (En español) Your heart pumps nearly five quarts of blood through your body every 60 seconds. Even while you are sitting still, your heart beats (expands and contracts) 60 to 100 times each minute. These heartbeats are triggered by electrical impulses that begin in your heart's natural pacemaker, called the sinoatrial node (SA node). The SA node is a bunch of cells located at the top of your heart's upper right chamber (the right atrium). Any irregularity in your heart's natural rhythm is called an arrhythmia. Almost everyone's heart skips a beat at one time or another, and these mild, one-time palpitations are harmless. But there are about 4 million Americans who have recurrent arrhythmias, and these people should be under the care of a doctor. Categories of Arrhythmia Arrhythmias can be divided into two categories: ventricular and supraventricular. Ventricular arrhythmias happen in the heart's two lower chambers, called the ventricles. Supraventricular arrhythmias happen in the structures above the ventricles, mainly the atria, which are the heart's two upper chambers.

7. Arrhythmia Online A forum for Canadian physicians to share information on the diagnosis and treatment. Sponsored by Wyeth Ayerst. http://www.arrhythmiaonline.com/

8. NHLBI, Arrhythmia One of the most common arrhythmias is sinus arrhythmia, the change in heart rate that can occur normally when we Sinus arrhythmia. Cyclic changes in the heart rate during breathing http://www.nhlbi.nih.gov/health/public/heart/other/arrhyth.htm

HOME SITE INDEX CONTACT US TIPS ... Publications Facts About Arrhythmias/Rhythm Disorders Table of Contents What is an arrhythmia? Does having an arrhythmia mean that a person has heart disease? What causes arrhythmias? Are arrhythmias serious? ... Where can I find publications about heart disease? Printed Copies Order online Order by telephone, fax, or mail Price Information Single copy Free Each additional copy 25 copies 100 copies Home Page Other Cardiovascular Information for the General Public What is an arrhythmia? An arrhythmia is a change in the regular beat of the heart. The heart may seem to skip a beat or beat irregularly or very fast or very slowly. Does having an arrhythmia mean that a person has heart disease? No, not necessarily. Many arrhythmias occur in people who do not have underlying heart disease. What causes arrhythmias? Many times, there is no recognizable cause of an arrhythmia. Heart disease may cause arrhythmias. Other causes include: stress, caffeine, tobacco, alcohol, diet pills, and cough and cold medicines. Are arrhythmias serious?

9. Arrhythmia (Irregular Heartbeat Or Heart Rhythm) arrhythmia is an irregular heartbeat resulting from a malfunction in the heart's electrical system. An irregular heart rhythm may be unusually fast (tachycardia) or unusually slow (bradycardia). http://www.heartcenteronline.com/The_Arrhythmia_Center.html

The Arrhythmia Center Arrhythmia is an irregular heartbeat resulting from a malfunction in the heart's electrical system. An arrhythmia (irregular heart rhythm) may be unusually fast (tachycardia) or unusually slow (bradycardia). Some irregular heart beats are signs of serious heart problems (such as cardiomyopathy ), and other arrhythmias are not. Types of irregular heartbeats (arrhythmia) include: Atrial Fibrillation . An irregular heart beat caused by an abnormality in the atria. Bradycardia . An unusually slow heart beat (less than 60 bpm). Bundle Branch Block . The heart's electrical impulses are slowed or blocked in the ventricles. Heart Block . Delayed or blocked communication between the atria and ventricles. Inappropriate Sinus Tachycardia . The heart is normal but the heart rate is fast. Long QT Syndrome . A rare, usually inherited and sometimes fatal disorder. Premature Ventricular Contractions . An irregular heartbeat caused by a signal coming from an area of the heart other than the sinus node. Sick Sinus Syndrome . The sinus node malfunctions. Stokes Adams Disease . An interruption in the electrical impulses from the atria to the ventricles. Tachycardia . An unusually fast heartbeat (more than 100 bpm). Ventricular Fibrillation . The heart quivers rapidly (350 bpm or more). Ventricular Tachycardia . An irregular heartbeat caused by an abnormality in the ventricles. Wolff Parkinson White Syndrome . Malformed electrical pathways between the heart's chambers. Diagnostic tests used to detect irregular heart rhythms include the

10. Arrhythmia A Problem With Your Heartbeat A discussion on arrhythmias regarding what it is, symptoms, causes, how serious it is, how do you http://familydoctor.org/handouts/286.html

Advanced Search familydoctor.org Home Conditions A to Z Arrhythmia What is an arrhythmia? What causes an arrhythmia? Is an arrhythmia serious? How do I know if I have an arrhythmia? ... What's the treatment? Arrhythmia: A Problem With Your Heartbeat Printer-friendly version Email this article What is an arrhythmia? An arrhythmia is a change in the rhythm of your heartbeat. When the heart beats too fast, it's called tachycardia. When it beats too slow, it's called bradycardia. An arrhythmia can also mean that your heart beats irregularly (skips a beat or has an extra beat). At some time or another, most people have felt their heart race or skip a beat. These occasional changes can be brought on by strong emotions or exercise. They usually are not a cause for alarm. Arrhythmias that occur more often or cause symptoms (see the box below) may be more serious and need to be discussed with your doctor. Return to top What causes an arrhythmia? What are the symptoms of arrhythmia? Call your doctor if you have any of these symptoms, especially if you have heart disease or have had a heart attack. Palpitations or rapid thumping in your chest Feeling tired or light-headed Passing out Shortness of breath Chest pain The heart has 4 chambers. The walls of the heart contract to push blood through the chambers. The contractions are controlled by an electrical signal that begins in the heart's natural "pacemaker" (called the sinoatrial node). The rate of the contractions is influenced by nerve impulses and hormones in the blood. A problem in any of these can cause an arrhythmia.

11. Redirect Page For "/heartbeat/" To provide cardiac arrhythmia patients compassionate and expert care, with access to effective Implantable Device Clinic. arrhythmia Clinic. Syncope Clinic. Atrial Fibrillation Clinic 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

12. ► Sudden Cardiac Death And Arrhythmia Education, News, And Research From T Nonprofit organization offering information and news about arrhythmia, sudden cardiac death, and related conditions to educate patients, care givers, and physicians. http://www.txai.org

Working to prevent Sudden Cardiac Death by promoting a better understanding of Arrhythmias through education and research. Texas Arrhythmia Institute Treating Asystole with Vasopressin Defending Our Children Against Heart Disease Atkins places limits on Diet Hormone Therapy: Increased Risks For Little Benefit? ... More News Articles... Prevention through Education The Texas Arrhythmia is working to prevent Sudden Cardiac Death through research and public education Recently published TXAI articles Pacifico A and Henry PD : Class I or Class III Agents for Atrial Fibrillation: Are we Asking the Right Question? PACE, 2003;26 Pacifico A and Henry PD : Structural Pathways and Prevention of Heart Failure and Sudden Death. J Cardiovasc Electrophysiol, 2003 (In Press-July 2003) ... More Articles... TXAI Attendance and Lectures V International Meeting on Atrial Fibrillation 2003 National Society of Pacing and Electrophysiology International Symposium on Advances in Heart Diseases The Texas Arrhythmia Institute is a tax-exempt IRS 501(c)(3) non-profit organization. Contributions are deductible to the extent allowed by law.

13. Arrhythmia Damage to the heart tissues from CVD or from heart surgery will disrupt the natural electrical impulses of the heart and result in abnormally high or abnormally low heart rate. Sudden fluctuations http://www.healingwithnutrition.com/cdisease/cardiovascular/arrhythmia.html

HealingWithNutrition.com Home SiteMap Education Products Arrhythmia Arrhythmia is an abnormal rhythm or rate of heart beat and is caused by a disturbance in the electrical nerve impulses of the heart. Tachycardia is where the rate is faster than 100 beats per minute, and bradycardias is where the rate is slower than 60 beats per minute. In atrial flutter, the beat rate is 200 to 400 bests per minute, but not every impulse reaches the ventricles. A totally uncoordinated beating of the heart at about 300 to 500 beats per minute is called atrial fibrillation. The most common cause of arrhythmia is arteriosclerosis where deposits narrow the blood vessels and inadequate blood supply reaches the heart muscle. Arrhythmias occur more frequently after a heart attack. Caffeine and other drugs can also cause tachycardia. and Certain antidepressant drugs can cause serious cardiac arrhythmias if taken in high doses. Nutrient Associations, Lifestyle Changes, Medical Options and Precautions Return to Main Cardiovascular Disease Page

14. Hospital Practice: Cardiac Arrhythmia Cardiac arrhythmia Current Therapy MICHAEL R. GOLD and MARK E. JOSEPHSON University of Maryland and Harvard University Ventricular arrhythmia. http://www.hosppract.com/issues/1999/0901/gold.htm

Cardiac Arrhythmia: Current Therapy MICHAEL R. GOLD and MARK E. JOSEPHSON University of Maryland and Harvard University Rhythm disturbances can range from the harmless to the life-threatening, and treatment varies accordingly, from watchful waiting to emergency intervention. Traditional antiarrhythmic medications have largely been supplanted by newer agents; pharmacologic therapy is giving way to device-based treatment, including pacemakers, defibrillators, and catheter ablation. Dr. Gold is Director, Cardiac Electrophysiology Service, and Associate Professor of Medicine, University of Maryland School of Medicine, Baltimore. Dr. Josephson is Professor of Medicine, Harvard Medical School, and Director, Harvard-Thorndike Electrophysiology Institute, Beth Israel Deaconess Medical Center, Boston. During the past few years, the treatment of many cardiac arrhythmias has tended to move away from drug therapy and toward device-based therapy. The latter may involve pacemakers, implantable defibrillators, or catheter ablation, depending on the type of arrhythmia. When drug therapy is the preferred route, the agents used are different from those selected several years ago. The treatment changes affect the management of the most common arrhythmias seen in primary care practice, including atrial fibrillation, atrial flutter, supraventricular tachycardia, and ventricular arrhythmia. Atrial Fibrillation The prevalence of atrial fibrillation increases with age; this arrhythmia is most often seen in patients older than 65 years. Atrial fibrillation is typically associated with some form of cardiovascular disease, such as hypertension, coronary artery disease, or valvular heart disease, but it can also occur secondary to metabolic disorders such as thyrotoxicosis. In a minority of young patients, there is no obvious cause, a condition known as lone atrial fibrillation.

15. Arrhythmia Management A list of the program objectives, web cast, support and evaluation. http://www.arrhythmiaclass.com/

16. MedlinePlus Medical Encyclopedia: Arrhythmias Definition Return to top. An arrhythmia is any disorder of heart rate or rhythm. Tests that reveal arrhythmias and identify the type of arrhythmia include http://www.nlm.nih.gov/medlineplus/ency/article/001101.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 Arrhythmias Contents of this page: Illustrations Alternative names Definition Causes, incidence, and risk factors ... Prevention Illustrations Heart, section through the middle Heart, front view Atrioventricular block, EKG tracing Normal heart rhythm ... Conduction system of the heart Alternative names Return to top Dysrhythmias; Abnormal heart rhythms Definition Return to top An arrhythmia is any disorder of heart rate or rhythm. Causes, incidence, and risk factors Return to top Arrhythmias are caused by a disruption of the normal electrical conduction system of the heart. Normally, the four chambers of the heart (two atria and two ventricles) contract in a very specific, coordinated manner. The signal for the heart to contract in a synchronized manner is an electrical impulse that begins in the sinoatrial node (also called the SA node), which is the body's natural pacemaker. The signal leaves the sinoatrial node and travels through the two atria, stimulating them to contract. Then the signal passes through another node (the AV node), and finally travels through the ventricles and stimulates them to contract in synchrony.

17. Madrid Arrythmia And Myocardium Notice for upcoming meeting in Madrid. Some articles and history of cardiac arrhythmias. February 27, 2003. http://www.mamweb.org

MAMlogo Create an account Home Forums Your Account Content MAM 2005 MAM Objectives Presentation Title Page Scientific Committees ... Awards Program (Draft) Instructions for speakers and chairpersons February 24 February 25 February 26 Education Declarations Dublin Helsinki Warsaw Lectures Amiodarona y Tiroides Gaps and Fuzziness in ICD indications The MADIT Study MADIT Trial ... RF ablation of Atrial fibrillation MAM 2004 Lectures ACE inhibitors and ARB drugs in diabetics Antiarrhythmic drugs in patients with heart failure The Brugada Syndrome: an overview The ECG of Tako-Tsubo syndrome History Erasistratus Galen Coiter and Harvey Chinchona ... Einthoven and Lewis Art Gallery Sudden Death Smoke Heart Globalization Gallery of Portraits A-F G-M N-Z Miscellanea To reach the MAM Web Features Home Content Forums Members List ... Your Account ALIVE study: Azimilide Azimilide had no effect on mortality in post MI patients with depressed LVEF in spite of concomitant betablocking therapy (published in Circulation) by Prof Jeronimo Farre Posted by galileo on Monday, March 15 @ 09:02:27 PST (80 reads) Read More...

18. Sudden Arrhythmia Death Syndromes (SADS) Foundation. Sudden arrhythmia Death Syndromes Foundation. http://www.sads.org/

Sudden Arrhythmia Death Syndromes Foundation     QUICK LINKS SADS' Mission: MORE INFO What's Happening... Stories of the LQT Syndrome Please Take our survey SADS Jewelry and Bags for our upcoming Media Campaign click for more information Networking and Support Groups -Latest Newsletter- Our newly published newsletter can be downloaded here -Archieved Editions- Previous versions can be downloaded from our archieve page SADS UK (United Kingdom) Present a conference on Cardiac Arrhythmias, Research and Therapy; A holistic approach June 26th – 27th, 2004 more details Say NO to Genetic Discrimination A heartfelt Thank You to our corporate sponsors: Guidant Foundation Hallmark The Layton Group Lorraine Press Medtronic, Inc.

19. Scripps Regional Cardiac Arrhythmia Center  Overview Scripps Memorial Hospital Regional Cardiac arrhythmia Center is an internationally recognized leader in the management of heart rhythm disorders. Located in La Jolla, California. Details about the center, FAQs and the procedures. http://www.cardiacarrhythmia.org

Hospitals Medical Groups Specialty Centers Well Being Centers ... Community Health Clinics Scripps Regional Cardiac Arrhythmia Center Overview The Scripps Regional Cardiac Arrhythmia Center, located at Scripps Memorial Hospital La Jolla, is an international leader in the management of heart rhythm disorders (cardiac arrhythmias). Patients of all ages and backgrounds benefit from leading edge technology and the expertise of our arrhythmia specialists. The center cares for thousands of patients every year and performs more than 1,000 arrhythmia studies annually. Highly trained cardiac specialists and surgeons have pioneered numerous techniques and innovative procedures. Overview Our Team Procedures and Treatment Landmark ICD Study ... Contact Us The center is recognized as the: First in San Diego to use catheter ablation to cure arrhythmias First in Southern California to surgically correct Wolff-Parkinson-White syndrome, a condition that can cause an extremely rapid heart rate. First in Southern California to perform open heart surgery to cure arrhythmias First in the United States to implant a dual-chamber defibrillator Second in the United States to implant a biventricular (triple-chamber) defibrillator The largest enrolling center for the Guidant Contak CD trial of biventricular pacing defibrillators (cardiac resynchronization therapy) as an electrical treatment of heart failure.

20. Welcome To Arrhythmia Consultants, PC Private practice electrophysiologist, Dr. James Porterfield. Dedicated to research and clinical care of irregular heartbeats, located in Memphis, Tennessee and affiliated with the Methodist Hospital system. http://www.acmemphis.com

"Any successful medical practice is a true collaborative effort. The referring physicians, your team of nurses, technicians and researchers, and the patient and their family are all a part of the treatment...Everyone plays a role, and we never want to take anyone for granted" -Dr. James Porterfield Arrhythmia Consultants, PC - Leaders in Electrophisiology Welcome to Arrhythmia Consultants, PC, providers of compassionate and personal heart care. We strive to make your visits comfortable and convenient and to answer all your questions promptly and as thoroughly as possible. As the first private practice electrophysiologist in the nation, Dr. James Porterfield has been on the leading edge of the cardiology and electrophysiology fields since 1981. Dedicated to research and clinical care of irregular heartbeats, Arrhythmia Consultants, PC has many "firsts" in the field of cardiology, including the first insertion of an internal cardiac defibrillator in Memphis and the invention of the Porterfield Diagnostic Electrophysiology Catheter. Dr. James and Linda Porterfield are also continuing their leadership in cardiology by founding the Memphis Electrophysiology Society, which provides medical specialists in electrophysiology an easy way to disseminate information and keep abreast of new advances in the field.

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