Medically reviewed by Jeffrey S. Lander, MD Key Takeaways Go to the hospital if a rapid heart rate is with chest pain, ...

Have you ever experienced a sudden increase in heart rate while sitting, lying in bed or even during a calm moment at work? The feeling can be unsettling as it often comes without warning or a clear ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...

Arrhythmias are due to problems with your heart’s electrical pathways, affecting its rate or rhythm. Heart conditions, electrolyte imbalances, and certain medications are among the causes that can ...

It's essential to seek emergency care if a rapid heartbeat is paired with confusion or chest pain. ER treatments for tachycardia include medications and electrical cardioversion. Managing stress and ...

A thyroid storm can cause a rapid heart rate, fever, sweating, and shakiness. Heart palpitations or irregular heartbeats may occur as your heart works harder. Life-threatening symptoms of a thyroid ...

Heart rhythm is an important vital sign that everyone should be aware of as it is an indicator of overall well-being. When your heart rate is not functioning correctly, oxygen and nutrient rich blood ...