Help I'm confused

hey guys, I know I've been on here a lot lately. I have some new news though. I decided to go on zolof and had a terrible reaction to it. I went to the ER and they sent me home telling me I was fine and that it was anxiety. Then three days later I have been having really bad pains and trouble sleeping as well as palpitaions. I went to the ER again. They told me that my ekg was fine and basically to go home and to get some help.. this is so hard for me because I really do feel like something is wrong with my heart. Then today I got the online results of my ekg and it reads as follows SINUS TACHYCARDIA BIATRIAL ENLARGEMENT ABNORMAL ECG

what does this mean... is something wrong. Why would they tell me everything is okay and it's just my anxiety... None of my other ekg's have said this before.. and I've had plenty over the last three months.. 

You should be having serious talks with your doctors aand specialists

I wasn't able to find out much about this, but as far as I could understand, this doesn't concern the heart. It may be the reason that you are experiencing pains and palpitations

you think something is wrong?

*does concern the heart. Sorry

That's what I thought I'm so scared i'm only 23!

I do not think that it is anything too serious, but I would talk to your doctor about his.

I will I have an apt tomorrow. Thanks for your reply!

I think it means you have an enlarged heart with abnormal heartbeat so well done for being persistant because you were right in your ideas about your heart and sorry I got it wrong.

Okay guys just wanted to update you. I went today and they redid my ekg everything is fine.. the ekg was okay after all and todays was normal and other then my heart rate being up that's from me freaking out. My doctor has talked about me retesting if I really want to but they think it's a waste because I had the echo only 4 months ago an the stress 2 months ago.. So they truly belive my heart is fine. They offered me to take a beta blocker I'm so nervous about taking this... It's called Bystolic 5mg and they said I could even cut it in half. So I don't know I guess it's worth  a try they said it could help with my palps and anxiety.. I guess I just have to except this is all anxiety,even though it all feels so real.

You will need to check your blood pressure and pulse everyday if you take this medicine

Also you cant abruptly stop. How do they explain the wrong results. You may want to take another test at another place at a Later time

They said the machine was incorrect and that's why the doctors read it over.. I don't know how I feel about that. I asked about the ekg they did today and they said it looked fine sinus rhythm. I don't know I just know I'm so sick of this..! I just wanna be me again. I am worried about taking the beta blocker for sure.