An arrhythmia is an atypical heartbeat that is either much faster or slower than expected. Your heartbeat may be described as chaotic, rather than steady and predictable. There are several types of ...

Dysrhythmia and arrhythmia both mean the same thing: an unusual heart rhythm. The only difference is that the word dysrhythmia literally means “bad rhythm” while arrhythmia means “without rhythm.” ...

An electrocardiogram (ECG) is the most common test to diagnose arrhythmia, and recording one as early as possible after heart palpitations can be helpful. Blood tests, stress tests, and chest x-rays ...

An arrhythmia is a heart rhythm that is irregular, too fast, or too slow. Transient idiopathic arrhythmia is a type of temporary irregular heart rhythm that does not have a cause doctors can identify.