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

If your heart suddenly shoots up to 150–170 bpm during exercise or even at rest, doctors say it could be supraventricular ...

Adenosine is safe for treating supraventricular tachycardia (SVT) in children in emergency settings, and patients have not experienced sustained ventricular tachycardia or prolonged cardiac pauses ...

Heart arrhythmias are usually harmless, but some can be life threatening. Treatments help correct your heart rate to prevent serious health issues. When the electrical impulses that affect your ...