SVT results in the heart beating at much faster rate than normal, and can be triggered by exercise, lack of sleep, ...

Your heart beats about 100,000 times a day. Sometimes it beats faster and sometimes more slowly, depending on what you're doing and whether, for instance, you're all worked up about something. So ...

When it comes to heart health, many conditions are tricky to diagnose because their symptoms can be similar to others, and atrial fibrillation (AFib) is no exception. That’s a problem, since untreated ...

It's a common yet uncomfortable sensation when the heart beats rapidly for a second or two and then becomes normal. Whether ...

In atrial fibrillation, the heartbeat is very irregular and often fast. Doctors use medicines to control both the speed and ...

Q: What is the difference between atrial fibrillation and supraventricular tachycardia? A: While both conditions are rapid, abnormal heart rhythms that originate in the upper part of the heart, they ...

Most of us have had that unsettling sensation when our heart seems to flutter or "skip" a beat — but when heart palpitations start happening more frequently, you may wonder if it’s something to get ...

DEAR DR. ROACH: How serious are palpitations? I’m a diabetic woman, age 77. I get these sensations various times throughout the day. Will I have a heart attack or stroke? -- B.G. ANSWER: Palpitations ...

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 ...

Tachycardia is the medical term for a heart rate over 100 beats per minute (BPM). It can be a sign of emotional distress or anxiety, anemia (low levels of iron in the blood), infections, dehydration, ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...

A carry-with-you nasal spray may be able to treat bouts of paroxysmal supraventricular tachycardia (PSVT), a type of arrhythmia that affects nearly two million Americans each year. People who have ...