Heart Arrhythmia, also known as Heart Rhythm Problems is a heart dysfunction and an occurrence of the pulse rate being too slow or too fast caused by an irregularity in coordination with the electrical impulses in the heart with the heart beat.

According to http://www.freeltcquotes.com/Heart-Arrhythmia.aspx, Electrocardiogram (ECG) helps to detect electrical activity of the heart and measures the timing and duration of each electrical phase in your heartbeat