Feel very anxious with two panic attacks, constant sharp and dull pains above/ under my lft breast, arm, shoulder blade, blood pressure normal. heart?

Panic Attacks: Anxiety/panic attacks can cause all manner of physical symptoms, including chest pain/pressure and many more. If you haven't had a full medical evaluation (beyond just checking bp) please do so with your physician. If this confirms you have a healthy heart, etc, you may well have panic disorder -- which can be treated effectively by a psychiatrist plus psychotherapy -- often cbt. Be well, .