What can be scarier than a heart that suddenly flutters or feels like its rapidly quivering?

This makes you feel like a heart attack is seconds away.

Not too many things are more frightening than a suddenly fluttering heartbeat.

Some people get so fixated on their heartbeat that they take frequent pulse checks throughout the day, documenting their resting heart rate, and trying to detect abnormal beats or rhythms.

This kind of obsession can cause continuous anxiety and sap joy from living. However, the more you know about heartbeats, the more control you’ll feel; knowledge is power!

Here is a sampling of some of my heartbeat articles:

Lorra Garrick has been covering medical, fitness and cybersecurity topics for many years, having written thousands of articles for print magazines and websites, including as a ghostwriter. She’s also a former ACE-certified personal trainer.  
Top image: Shutterstock/Y Photo Studio