I have had extreme heart pain and several attacks that doctors didn t understand,I have lots of minor issues . sleep apnea sometimes hurts but my heart wasn t just palpitating this time,it vibrated and hurt and I thought I was going to die. I smoke a LOT. ,why,and during apnea I get muscle spasms from somewhere in my lower back all the way to my heart.what is going on?.,- 23 male,copd,heart palp,apnea,anxiety attacks,bad cholesterol,