First of all, thank you to everyone for the tons of information. Still does leave me slightly confused though.... As my other posts have gone into more detail. I have had 3 heart attacks in the last 18 months and from that i've been told i'm now in stage 3 or "c" heart failure. The entire time feeling what was best described as missing heartbeat and then like it was trying to catch back up. In august in was in the hospital overnight for increasing chest pain. While laying there i felt a "good one" and they came running in asking me if i was ok. Told them it happens all the time. Heard nothing more. Was reffered to a heart failure doctor who asked me about palpitations and told him what i've been feeling and that instance. He ordered a holter monitor for 48 hours but for up to 7 days. after 36 they called and said my regular cadiologist (which i have no faith in) looked at it and saw nothing but the the ordering doctor would look over it and to keep it on. A day and a half later they called back and said he saw a number of PAC's but that they weren't anything to worry about and send it back. On my next appointment he said he saw over 30 of them and a PVC but that it's "normal". Since i don't recall ever feeling anything like this before i find it hard to be normal. Did suggest getting a sleep study done cause he was sure that a lot of my worsening symptoms could be explained by sleep apnea. Did that and it came back that i don't have sleep apnea. So now with that and being what they call "in fluid overload" he wants me to go in and get a right side cath done. So not sure if it's these PAC's or whats going on.