Heart arrhythmias Articles, Information & Research

Sometimes it really does if you have an arrhythmia...heart beats too quickly, too slowly or with an irregular pattern...When the heart beats faster than normal, it is called tachycardia. When the heart beats too...

http://www.nlm.nih.gov/medlineplus/arrhythmia.html

Cardiac arrhythmia From Wikipedia, the free encyclopedia Jump to: navigation, search Dysrhythmia redirects here...arrhythmia Classification and external resources Ventricular Fibrillation or V-Fib, an example of cardiac arrhythmia. ... The heart beat may be too fast or too slow, and...

http://en.wikipedia.org/wiki/Cardiac_arrhythmia

The primary function of the heart is to supply blood and nutrients to the body. ... The irregular beating results in a rhythm disorder, or arrhythmia. ... The sinoatrial, or SA, node is located in the right atrium...

http://www.emedicinehealth.com/heart_rhythm_disorders/art...

An arrhythmia (ah-RITH-me-ah) is a problem with the speed or rhythm of the heartbeat. ... A heartbeat that is too fast is called tachycardia. A heartbeat that is too slow is called bradycardia. Most arrhythmias are harmless, but some can be...

http://www.nhlbi.nih.gov/health/dci/Diseases/arr/arr_what...

Most people have occasional, irregular heartbeats that may feel like a fluttering or racing heart...... Heart arrhythmia treatment can often control or eliminate irregular heartbeats. ... References The heart's electrical system: Working and not. ... Mehra R, et al...

http://www.mayoclinic.com/health/heart-arrhythmias/DS00290

Arrhythmias can occur in a healthy heart and be of minimal consequence...indicate a serious problem and lead to heart disease, stroke or sudden cardiac death. The goal of this site is to help the public and...

http://www.americanheart.org/presenter.jhtml?identifier=1...

ARRHYTHMIAS - GENERAL HeartPoint animation: this will take approximately 1 minute and 45 seconds to load...of the regular rhythmic beating of the heart is one of the most common disorders seen in the practice of cardiology...

http://www.heartpoint.com/arrhythmias%20-%20introduction....

The normal heart beats in a regular, coordinated way because electrical impulses generated and spread by myocytes with unique electrical properties trigger a sequence of organized myocardial contractions. ... Electrical discharge of these pacemaker cells stimulates adjacent cells, leading to stimulation...

http://www.merck.com/mmpe/sec07/ch075/ch075a.html

Arrhythmias can cause problems with contractions of the heart chambers by: not allowing the ventricles (lower chambers) to fill with an adequate amount of blood, because an electrical signal is causing the heart to pump too fast...

http://www.lpch.org/DiseaseHealthInfo/HealthLibrary/cardi...

...is normally generated and regulated by pacemaker cells within the sinoatrial (SA) node, which is located within the wall of the right atrium...arrhythmias, a skipped beat might be sensed because the subsequent beat produces a more forceful contraction and a thumping sensation in the chest...

http://www.cvphysiology.com/Arrhythmias/A008.htm