From a 4-5 week i have sudden pain in backside it starts from spinalcord then it goes to left hand and then reaches to chest which is very painfull to me .i have done ecg,treadmilltest ,blood test ,and urine test every report test is allrigt by bp is also normal only sugar level is increased by 137 so what is the main problem sometime i feel sweating and anexity and i some time feel very feared my hameglobin is 8 bmi 23