Tachycardia is a rapid heart rate. It has a rate of more than 100 beats per minute.
It is normal for your heart rate to increase in response to exercise or stress. However, there are several types of abnormal tachycardias. This type is known as
arrhythmias. This arrhythmia can start in two different areas of the heart:
Atria (upper part of the heart)—called supraventricular tachycardias
Ventricles (the lower part of the heart)—called ventricular tachycardia
This condition can be life threatening. It can be treated. If you think you or someone you know has this condition, call for emergency medical services right away.
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