Tachycardia is a rapid heart rate that beats faster than 100 beats per minute for any reason. It can occur as a result of many acute and chronic conditions. Factors such as age, health conditions ...

Do scary movies make your heart skip a beat? Or maybe you notice a flutter in your chest just as you’re settling down for the ...

Thanks to first responders and months of rehabilitation, Tara Yell returned to her kids at home and at school after having a ...

AFib causes an irregular heart rate that can make your heart feel as if it is fluttering or skipping beats. Panic attacks, on ...

The widely used FAST acronym remains the best tool for helping bystanders recognize stroke symptoms, despite efforts to expand it to BE-FAST.

A rate higher than this is known as tachycardia, a condition in which your heart beats faster than normal. Read on to learn more about the link between allergies and an increased heart rate ...

Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good ...

View Full Profile. Learn about our Editorial Policies. The simple, constant rhythm of a beating heart is a reassuring sign of life. With each lub-dub, blood brings life-sustaining oxygen throughout ...

Maybe you’ll drink a lot in one go. Then you feel your heart beating fast or irregularly. Maybe there’s a flutter in your chest or neck. Maybe you feel dizzy or short of breath. You may feel so ...

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A new study led by Emmanuel Mossoux confirms that a supermassive black hole at the heart of the Milky Way ... other large black holes that rotate so fast that they bend space.