 [ Symptoms ] it feels like my heart is racing but my pulse rate is normal and i feel out of breath what could this be  i do suffer from anxiety i have taken natural supplements that promote relaxation and that usually helps with my anxiety recently my heart has been acting this way and i have tried taking the supplements thinking its part of my anxiety but nothing changes [ Disease ] i hope that by now your extraction site has healed if you still have the problem you must go and have the site looked at exposed bone is not normal it is an indication of problems it might be due to systemic medication you are taking or have taken in the past it might be due to the procedure in any case it has to be examined please go and see your oral surgeon or go to another one for a proper second opinion do not leave this be