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

Many arrhythmias have no clear cause; these idiopathic cases arise without identifiable triggers, while for others, the ...

Arrhythmias are due to problems with your heart’s electrical pathways, affecting its rate or rhythm. Heart conditions, electrolyte imbalances, and certain medications are among the causes that can ...

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 ...

Heart racing suddenly during workouts or daily activity? Doctors explain supraventricular tachycardia (SVT), its symptoms, causes, and when to seek help.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously not ...

It's essential to seek emergency care if a rapid heartbeat is paired with confusion or chest pain. ER treatments for tachycardia include medications and electrical cardioversion. Managing stress and ...

A child's normal heart rate varies by age and size, with babies typically having higher rates than older children. It’s important for parents to know how to check their child's pulse to recognize when ...

Heart rhythm is an important vital sign that everyone should be aware of as it is an indicator of overall well-being. When your heart rate is not functioning correctly, oxygen and nutrient rich blood ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Heart palpitations after eating? You’re not alone. These brief episodes of heart racing, pounding, or fluttering can happen for ...