I'm having very tight and Sharp chest pains that has moved through my shoulder blades and mid top of my back now! and s.o.b. and I can NOT get my heart to stop racing! A friend of mine picked me up to go smoke some bud at a friend's house and the told me half way through the blunt, because I smelled something I've neved smelt before, told me that he has but a half of GRAM of meth in the blunt! I threw it in his face and about 20-30 mins after all that my chest and head is killing me! HELP ME!