hi everyone well today I'm suffering from a new problem.. I took a nap woke up and felt as if I had a hard time breathing. few hours later I get chest pains on the left side of my chest. my left arm feels extremely weak and almost numb like.. but I also have been searching symptoms for heart attack on the internet and that was one.. it's like i can breathe but it's not good enough.. and also the glands that saliva comes from (submandibular glands) have felt swollen the past few nights.can someone help? as you can see my anxiety is horrible.