Arrhythmia :
Arrhythmias, also known as cardiac arrhythmias, are irregularities in the heartbeat, including when it is too fast or too slow happens when electrical impulses that direct and regulate heartbeats don't function properly. In general, heart arrhythmias are grouped by the speed of the heart rate. For example, Tachycardia is a fast heartbeat. The heart rate is greater than 100 beats a minute. Bradycardia is a slow heartbeat. The heart rate is less than 60 beats a minute.
Symptoms of an arrhythmia may include fluttering, pounding or racing feeling in the chest, fast heartbeat, slow heartbeat, Chest pain and Shortness of breath. Arrhythmias sometimes don't need specific treatment but more severe cases requires medical attention involving medications and surgery.