question: I was caught inside a shed burning with toxic cancerous foam and when I walked out side my heart cramped up severly and felt like it was going to explode with a disabling sharp pain and along with that my chest arms shoulder and expecialy my face neck and head had extreme numbness and pins and needles and also I was breathing but I was not getting oxygen and my face felt like I was holding my breath but I wasnt I fell to the ground with shock and almost passed out from the pain and lack of oxygen please help what happened to my heart is it ok and could i have slight heart muscle damaged