Pain arround left shoulder blade & head.

2 year before i used to do exercise daily with 15kg weight.one day at night when i go to sleep i feel like any veins in my chest is blown and feeling dizz. Then my platelets go down around 100k for 3 months after that now 190k after that i diagnosed with hypothyroidism. my tsh level is normal now but i have mild swelling on my left chest,and around left shoulder blade doctors done many test on me like echo 2 times,TMT,Mri(brain,whole spine),ct chest,ct neck, endoscopy,usg abdomen these test are normal ecg- mild left axis deviation cbc-MPV always high i periodically get pain on my left side of head , tight neck ,and left shoulder blade pain. pain on head is like pressure and pressure on nose also. pain always comes when i lie down or use a chair's back support now i think i injured my heart or my muscles of chest  but dont know how i get well. I have temporary solution petril beta 20. Now days pain comes frequently I also been treated for anxiety for 8 months but nothing works on me