An increase in the heart rate is termed as:_________?

A. Bradycardia
B. Tachycardia
C. Trachybradycardia
D. Non of these

In tachycardia, an abnormal electrical impulse starting in the upper or lower chambers of the heart causes the heart to beat faster. Tachycardia is the medical term for a heart rate over 100 beats per minute. There are many heart rhythm disorders (arrhythmias) that can cause tachycardia