I Have A History Of Earl On Set Heart Attacks

I have a history of earl on set heart attacks at the age of 46 in perfect health. blood coagulated and they removed gew from my arteries around the heart. protiens they check for heart attach was at 9.8 . been good since am now 55 and just an hour ago while sitting i got a massive pain in my sternum, in my middle back between the shoulder blades and my ears were in pain like needles in the ear drums then pain in left jaw, and then left arm went numb. took two full asprin and they pain slowly went away but never completely gone. as i was drinking it was painful to swallow at the sturnum area and then ate a sandwich which was also painful. all this in the last 1 1/2 hours. should i be conecern about in=t being a heart attack.