Suggest Treatment For Intermittent Pain In The Thoracic Region

I have had a pacemaker and a icd. For 3 years , no problems, then moving to Savannah, i began having pain, originating in the thorasic area, not going into cervical,am oAlso radiating into area of pacemaker. However it is not constant pain, it goes away. I am active normally, do 3 miles a day at gym. I did pick up some heavy bricks, and thinking muscle pain, as a hot bath relieves it, also if i take lorazapam and asprin . dont have a Dr. here. but the pain can be intense. I dont have money, I am on medicare