How many times has your heart beaten so far? It is important to keep track of your heartbeat. Check our Online Heartbeat Calculator
. Heartbeat (heart sound) is heard when the heart valves
(bicuspid, tricuspid, aortic and pulmonary) close causing the blood to flow in an appropriate direction. Irregular heartbeat, also called arrhythmia
is a condition in which the heart beats too slow (bradycardia) or too fast (tachycardia) or with an abnormal rhythm.