Upper Back pain. Test related to heart?

I have anxiety since childhood and anxious with panic since 6 months .Whenever stressed or anxious i have back pain near left shoulder blade . The pain is rythmic and mild .It s occur when angry or stressed. Sometimes it comes without this factors . My ecg is normal i took before 3 days . My bp normal , cholestrol normal and bmi less than needed . Iam 30 years old . Weight 43 kg , height 170cm . I have pains on various times on different parts of body especially on left side body . Tingling and numbness on left hand sometimes . My lifestyle is with no exercise for for several years due to depression but iam not drink or smoke  . Is this back pain pointed something serious and do I need any further test related to heart ?