Heloo doctor,am 25 year old, i have been suffering from panic disorder from last 4 month, suddenly i feel am getting art attack and start observing my breathing its make me more panic and suddenly i feel my breathing will stop and chest also start getting pain both sides, and convert the mind other side i feel good, when i feel this i go to nearest hospital they do all check ups report says everything good,also i consulted psychiatrist MBBS DPM but find no result please suggest me what to do.sometimes i do have back pain and feel stress