Tachycardia

Heart rate greater than 100 beats per minute. This common signs usually occurs in response to emotional or physical stress, such as excitement, exercise, pain, anxiety, and fever. It may also result from the use of stimulants, such as caffeine and tobacco. However, tachycardia may be an early sign of a life-threatening disorder, such as cardiogenic, hypovolemic, or septic shock. It may also result from a cardiovascular, respiratory, or metabolic disorder or from the effects of certain drugs, tests, or treatments.

Related Terms

Cardiac Arrhythmias