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

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

Add Yahoo as a preferred source to see more of our stories on Google. When I was 38 years old, I was working as an accounting consultant and in good health—or so I thought. But in October 2020, I ...

If you're new to the world of POTS, whether that's because of its newfound connections with Long COVID-19, or its recent momentum on social media, you've probably come across the long list of symptoms ...

I can feel my heart beating quickly when I’m feeling anxious or stressed. What can I do about it? Is this normal? You can slow a rapid heart rate, caused by anxiety and even cardiac arrhythmias, using ...

Non-sustained ventricular tachycardia is an abnormally fast heart rate that occurs in the lower chambers of the heart and lasts for less than 30 seconds. Tachycardia is a heart rate that is faster ...

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 ...

Pulseless ventricular tachycardia occurs when an abnormally rapid heart rate originating in the heart’s lower chambers makes a pulse undetectable. Emergency cardiac defibrillation is usually necessary ...

Have you noticed your weight dropping without trying, but instead of feeling lighter or more energetic, your heart seems to be racing? Maybe you feel it pounding while lying in bed or fluttering even ...

DEAR MAYO CLINIC: I’ve noticed that sometimes my heart races or skips a beat. What causes this? Is there treatment for it? ANSWER: What you’re experiencing may be an abnormal heart rhythm, also known ...