Understanding Fast & Slow Heart Rates: Tachycardia & Bradycardia

Yes, the heart rate can go too fast or too slow.

A heart rate that is too fast is called tachycardia. Tachycardia can be caused by a variety of factors, including:

* Anxiety

* Exercise

* Fever

* Caffeine

* Nicotine

* Alcohol

* Certain medications

A heart rate that is too slow is called bradycardia. Bradycardia can be caused by a variety of factors, including:

* Heart disease

* Thyroid problems

* Diabetes

* Certain medications

Both tachycardia and bradycardia can be serious medical conditions. If you experience either of these conditions, it is important to see a doctor immediately.