A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can ...

Share on Pinterest Researchers say a nasal spray could become a new treatment for rapid heartbeats. ProfessionalStudioImages/Getty Images About 1 in 300 people in the United States have a racing ...

A few years ago I was out walk­ing with an older relative when she suddenly stopped and put her hands out for support. Her heart­beat had gone haywire, causing chest pains and making her feel ...

Up to 2 million people in the U.S. experience rapid-fire heartbeats from time to time, and many end up in the hospital for treatment. But an investigational nasal spray may help folks with paroxysmal ...

In a new study, etripamil, a rapid- and short-acting investigational medication formulated to be delivered via nasal spray, restored a normal heart rhythm in less than 30 minutes in most users with ...

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 ...