I Have Been Having PVCs. I Ended Up In The

I have been having PVCs. I ended up in the ER. They said that they are common. I went to a cardiologist. He listened to my heart and they are doing a ultra sound Thursday. They went away for a few days. But are back. I'm just nervouse that this is dangerouse. I just read a new study that said it isn't normal and leads to heart failure