Numbness in my chest since yesterday

I don’t know if anyone else has this, I’ve been suffering with chest numbness under boob and chest area. I also suffer from panic attacks I’m a little worried! I have been checked and everything is fine, I had an ECG and blood tests? 

When you say numbness, do you mean like the skin/area around it is numb to the touch or that you feel an almost detached numbness from the area, like it's not really there?