This is a question with your post asking about the difference between Sinus Tachycardia and SVT in mind, All of your tests showed normal heart and Sinus Tachycardia. Did you start the beta blocker,
Metoprolol, when you started showinf
withdrawal symptoms from Geodon? Normally, people don't get metoprolol for just having Sinus Tachycardia and everything else is fine. It also sounds like there is anxiety involved?