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.

Arrhythmia is an irregular heart rhythm. The condition is usually not serious, but when it is, treatment is generally effective. Share on Pinterest Jasmin Merdan/Getty Images It’s common for children ...

Reentry arrhythmia occurs when electrical signals in the heart deviate from their usual path, creating a loop that causes repeated stimulation and disrupts the heart’s rhythm. Symptoms of reentry ...