Medically reviewed by Angela Ryan Lee, MD It's essential to seek emergency care if a rapid heartbeat is paired with confusion ...

Ventricular tachycardia is when the lower chamber of the heart beats too fast to pump efficiently. A common heart rate with ...

Dear Doctor: Every morning upon waking, I feel an even/steady pulsing of about 200 beats per minute, although my pulse is normally about 60 beats per minute. I’m 84, with no symptoms of atrial ...

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 ...