Hello, when I had the heart palpitation i went to the ER and got checked while my heart was pounding like crazy. They never said its SVT. All they said evrrything looks fine. I was at the ER forever and they check all my vitals blood work done . And they gave me ativan. Did they tell you you have svt right there and then. Can they tell you have svt ?! I dont know if its panic attack and svt