I had 2 stents placed in the mid LAD 98%blockage, there were stents already there from about 12 years ago, they were blocked, the dr, pushed poen the blockages, then placed the 2 stents inside the other stents I have never heard of this before . but it s been about 4 days ago and I have this fluttering like feeling in my chest when I get up, not all the time but,every day is this normal?