A cardiac arrhythmia, also called cardiac dysrhythmia, is a disturbance in the regular rhythm of the heartbeat. Several forms of cardiac arrhythmia are life-threatening and a medical emergency. A rhythm of the heart at a rate of more than 100 beats/minute is considered a tachycardia.A more serious variety of arrhythmia is known as fibrillation. Fibrillation occurs when the heart muscle begins a quivering motion instead of a normal, healthy pumping rhythm. Atrial fibrillation is the quivering, chaotic motion in the upper chambers of the heart, known as the atria. Atrial fibrillation is often due to serious underlying medical conditions, and should be evaluated by a physician. It is not typically a medical emergency. If fibrillation occurs in the ventricles (lower chambers) of the heart, it is always a medical emergency. If left untreated, ventricular fibrillation can lead to death within minutes.
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Links
- Wolff-Parkinson-White Syndrome
- American Heart Association looks at this disease along with the symptoms and treatment.
- St. Luke's-Roosevelt Hospital Center's Arrhythmia Service
- QandAs, electrophysiology information, news, diagnostic procedures, therapeutic procedures and an explanation is presented.
- Advice from Dr. Dave and Dr. Dee
- An explanation of premature atrial contractions and premature ventricular contractions.
- 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.
- Continuing Education: New Trends in Arrhythmia Management
- A list of the program objectives, web cast, support and evaluation.
- Health Factsheets From BUPA
- Explaining the causes, symptoms and treatment of arrhythmia, available for down loading in Adobe acrobat format.
- King Faisal Specialist Hospital and Research Centre
- Explanation, diagnosing and treatment of arrhythmias.
- Einthoven
- Continuing education and advances in cardiac arrhythmias. Includes news, key papers, case histories and manuals.
- Mamas Health
- Information about an arrhythmia, the different types, diagnostic tests and treatment.
- Temple University Hospital Health Information-Palpatations
- Provides information on symptoms, causes, diagnosis, and treatment.
- 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.
- 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.
- US Food and Drug Administration
- An In-depth discussion on ventricular arrhythmias and new drugs and devices in curbing deaths from this disorder.
- SleepTight
- Explanation of arrhythmias.
- Hospital Practice
- Care and management of atrial fibrillation, atrial flutter, supraventricular tachycardia, ventricular arrhythmia and a look at syncope.
- Palpitations
- Describes terms, doctors' explanations, and what exactly a palpitation is.
- 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).
- Cardionetics
- A look at sinus rhythms, blocks, delays, premature beats, supraventricular and ventricular arrhythmias.
- Vanderbilt Medical Center
- Discussion of four types of arrhythmias and brief look at management in children.
- Cardiology Associates
- An in-depth look at arrhythmias, discussing symptoms, causes, how serious and common they are and research among many other topics.
- 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.
- 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.
- Cleveland Clinic Heart Center
- Details about Atrial fibrillation, an abnormal heart rhythm. Includes the causes, diagnosis and treatment.
- American Heart Association
- An arrhythmia is an irregular heartbeat. Find out more about the symptoms and treatments of this condition. For patients and professionals.
- Doctors' Medical Library
- Discussion about arrhythmias including nutritional medicine, chelation therapy and homeopathy.
- 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.
- Paroxysmal Atrial Tachycardia: iafrica.com
- A look at what this is, the causes, symptoms and treatment. Some self help tips to try while having an attack.
- Wolff-Parkinson White Syndrome: iafrica.com
- A quite extensive look at this disease and how the heart works.
- OnHealth with WebMD
- Detailed look at an arrhythmia, the causes, and diagnosing. The different types and treatments available.
- Arrhythmias
- Information on some heart arrhythmias, from Guidant.
- Alternative Treatments
- Explained in lay mans terms what arrhythmias are, with suggested herbs and vitamins.
- Irregular Rhythms
- Detailed information about all the types of arrhythmias, flutters and tachycardias.
- 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.
- Family Practice Notebook: Arrhythmias in Athletes
- Non-cardiac causes, types, worrisome symptoms and worrisome signs (red flags) are some topics discussed.
- Arrythmia Awareness Week 2004
- 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. May 12 - 18, 2004.
- 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.
- 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.
- Mayo Clinic Electrophysiology Laboratory
- A look at the heart and its rhythms, diagnosing, electrophysiologist, bradycardias, tachycardias, supraventricular tachycardias, atrial fibrillation and vetricular tachyarrhythmias.
- Mayo Clinic Heart Rhythm Center
- Brief description of arrhythmias and an in depth look at the different types including bradycardias, tachycardias and atrial fibrillation.
- Health South
- Talks about causes, incidence and risk factors, types, symptoms, treatment and prevention for arrhythmias.
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