What Is Inappropriate Sinus Tachycardia? Sinus tachycardia is when your body sends out electrical signals to make your heart beat faster. Hard exercise, anxiety, certain drugs, or a fever can spark it ...

The placement of a permanent pacemaker is the definitive treatment for sinus node dysfunction, but not everyone needs this.

Tachycardia describes when the heart beats faster than normal. Sinus rhythm with tachycardia occurs when the sinus node fires electrical impulses abnormally quickly. Inappropriate sinus tachycardia ...

Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...