Fibrillation - Wikipedia, the free encyclopedia
Fibrillation is the rapid, irregular, and unsynchronized contraction of muscle fibers. An important occurrence is with the heart. There are two major classes of cardiac fibrillation: atrial fibrillat...
en.wikipedia.org/wiki/Fibrillation
Atrial fibrillation - Wikipedia, the free encyclopedia
Atrial fibrillation ( AF or afib ) is the most common cardiac arrhythmia (abnormal heart rhythm) and involves the two upper chambers (atria) of the heart. Its name comes from the fibrillating (i....
en.wikipedia.org/wiki/Atrial_fibrillation
Atrial fibrillation/flutter is a heart rhythm disorder (arrhythmia). It usually involves a rapid heart rate, in which the upper heart chambers (atria) ... In atrial fibrillation and flutter, the atria are stimulated to contract very quickly and differently from the normal activity originating from the sinoatrial node.
www.nlm.nih.gov/medlineplus/ency/article/000184.htm
Ventricular fibrillation (VF) is a severely abnormal heart rhythm (arrhythmia) that causes death unless immediately treated. VF is responsible for 75 - 85% of sudden deaths in persons with heart problems.
www.nlm.nih.gov/medlineplus/ency/article/007200.htm
About 2.2 million Americans have atrial fibrillation, putting them at risk of clots and strokes. About 15 percent of strokes occur in people with AF. ... What is atrial fibrillation (AF)? Atrial fibrillation is a disorder found in about 2.2 million Americans. During atrial fibrillation, the heart's two small upper...
www.americanheart.org/presenter.jhtml?identifier=4451
The heart beats when electrical signals move through it. ... ; Ventricular Fibrillation;  What is ventricular fibrillation? ... Ventricular fibrillation is very serious. Collapse and sudden cardiac death will follow in minutes unless medical help is provided immediately. If treated in time, V fib and ventricular tachycardia...
www.americanheart.org/presenter.jhtml?identifier=4784
Learn about atrial fibrillation, a rapid, irregular heart rhythm. ... Atrial Fibrillation Overview ... Related atrial fibrillation articles: Atrial fibrillation - on WebMD; Atrial fibrillation - on MedicineNet...
www.emedicinehealth.com/atrial_fibrillation/article_em.... www.emedicinehealth.com/atrial_fibrillation/article_em.htm
Learn about atrial fibrillation including what it is, what happens during atrial fibrillation, symptoms, risk factors, how it is diagnosed, and how it is treated ... home > heart center > heart a-z list > atrial fibrillation index > atrial fibrillation article...
www.medicinenet.com/atrial_fibrillation/article.htm www.medicinenet.com/atrial_fibrillation/article.htm
Atrial Fibrillation glossary includes a list of Atrial Fibrillation related medical definitions and related links on MedicineNet.com ... The following are health and medical definitions of terms that appear in the Atrial Fibrillation article.
www.medicinenet.com/atrial_fibrillation/glossary.htm www.medicinenet.com/atrial_fibrillation/glossary.htm
Atrial fibrillation — Comprehensive overview covers symptoms, causes and treatment of this common heart disorder. ... Thomas MC, et al. Blood pressure control and the risk of incident atrial fibrillation. American Journal of Hypertension. 2008;21:1111.
www.mayoclinic.com/health/atrial-fibrillation/DS00291 www.mayoclinic.com/health/atrial-fibrillation/DS00291