pac/pvc

I have had pvc's and and pac's for almost 20 years.  I have had months with nothing and sometimes, at its worst, may last a couple weeks.  Unfortunately, I have had these things for over a month now, maybe 4 a minute non stop.  Does make me concerned but my question, I notice sometimes I have an extra beat, then the hard thump...but lately, its now a pause, no extra beats.  I still have the extra beats and feel those completely different (more of a flutter feel) from the other skips (no extra beat, no real flutter) Iam getting now.  Like I said, there is no extra beat, just a long pause...is this still an example of pac or pvc?...Thanks.  

BTW, I did have a complete cardio work up 6 years ago and everything was normal.  Plan on going back for another work up.