Sinus Tachycardia, Inappropriate Sinus Tachycardia,
Supra Ventricular Tachycardia, Paroxysmal
Supra Ventricular Tachycardia.
These rhythm disturbances are fairly frequent, and for the large part, accelerated rhythms that originate from the top of the heart (Supra means above, Supraventricular means above the ventricles). All the rhythms above originate on the top of your heart.
Please post the results of your doctor's visit and any medications prescribed.