Medically reviewed by Rafle Fernandez, MD Key Takeaways A fast heartbeat can be caused by emotions like stress or anxiety.Dehydration, or drinking caffeine or other stimulants, can make your heart ...

Medically reviewed by Jeffrey S. Lander, MD Key Takeaways Go to the hospital if a rapid heart rate is with chest pain, dizziness, or trouble breathing.Normal heart rate is between 60 and 100 bpm, but ...

A new, multicenter study demonstrated that ablation treatment may be a better first option than medication for many heart attack survivors who develop abnormal electrical short circuits in their heart ...

Irregular heartbeat conditions affect millions of people worldwide, causing hearts to beat too fast, too slow, or with an uneven rhythm. These cardiac rhythm disturbances, medically known as ...

Wide complex tachycardia is a general term that refers to conditions that cause an unusually fast heart rate and a particular pattern on an EKG. Tachycardia is when your heart beats unusually fast, ...

Arrhythmias fall into two categories: too fast or too slow. A racing heart or a skipped beat typically falls into the "too fast" category. In younger people, typically those in their 20s to 50s, the ...