I Had A Heart Stent Placed In 2005 I Only

I had a heart stent placed in 2005 I only saw a doctor a few times after getting the heart stent due to lack of money for copay I know I should see a doctor on regular basis but cannot afford to at this time the problems that I'm having every so often my heart feels as though the blood is being blocked on the right side of my heart which is the side I have the heart step I have a Texas heart stent a lot of times I experience pressure in my head I am supposed to see my doctor on regular basis to have my blood checked I am aware that I should be taking other medicines along with the aspirin but cannot afford them at this time do you have a possible answer to what I AM experiencing