Factors such as age, health conditions, and physical fitness can also affect how fast your heart beats. While some people have no symptoms of tachycardia, the problem can cause palpitations (a ...

Multiply by 6. Are they different? Now think about whether the heart beat might change at all. What do you think would happen if you measured your heartbeat standing up? After running really fast ...

An irregular heartbeat, also known as arrhythmia, occurs when the heart beats too fast, too slow, or unevenly. It results from disruptions in the heart’s electrical signals While some irregular ...