What is a fast heart rate
A rapid or fast heartbeat is when your heart is beating faster than normal. A normal heart rate is 60 to 100 beats per minute. Tachycardia is considered a heart rate of greater than 100 beats per minute.If you are exercising, or performing any kind of activity, your heart will normally beat faster.This allows your heart to pump blood through out your body, to provide oxygen to the tissues.achycardia is considered a heart rate of greater than 100 beats per minute. If you are exercising, or performing any kind of activity, your heart will normally beat faster. This allows your heart to pump blood through out your body, to provide oxygen to the tissues.