I Stay Tired Had By Lateral Knee Surgery About 4

I stay tired had by lateral knee surgery about 4 years ago the right knee they have gone in it three times. In December 2014 my body shut down I had to have dialysis for one day. I had a temperature of 104 and they couldn't get it down. I was in I up for about two weeks. I have chest pains shortness of breath frequently. Do you have any idea what is going on with me?