Zipcodes in Twentynine Palms, CA (San Bernardino County) Cities in San Bernardino County, CA. * Not found in the U.S. Census 2000 data. Location may not be an incorporated place or boundary may be approximate.
About Arrhythmia. An arrhythmia is an abnormal heart rhythm. Learn about the heart's structure and why abnormal heart rhythms may cause problems. Read more.
Transcript: Arrhythmia, or heart rhythm disorder, is a general term for an irregular heartbeat. Most arrhythmias are not dangerous, but some may indicate serious underlying heart disease and some can lead to serious problems such as loss of consciousness, stroke and sudden cardiac death.n fact, about 2.2 million Americans have a type of arrhythmia called atrial fibrillation-and that is only one type of rhythm problem. Some arrhythmias can lead to serious problems, including heart disease, stroke or sudden cardiac death.