Hi, I am 47 years old male,5 11 and 206lb.have had 2 heart attacks in past 8 years ,with 5 stents put on,hvae a Lupus (SLE),Sleep Apnea,depression,Hip replacement done 3 years ago. From last week I am feeling havieness in my chest and have been woken up twice in one week gasping for air.I had stress test last week and have not heard from my doctor.Please advise.thanks