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.
An electrocardiogram (ECG or. EKG) is often used to diagnose arrhythmias. It creates. a graphic record of the heartâs electrical impulses. Using a Holter monitor, exercise stress tests, tilt table. test and electrophysiologic studies (âmappingâ the. electrical system of your heart) are other ways to find. where arrhythmias start.