I am a 51 yr old male that has had heart surgery. I was on tramadol at the time of my surgery, and remained on it for 2 years afterwards. I was making continual trip to emergency room for heart pain. Eventually I switched doctors, when my new doctor found out I was taking, he immediately took me off tramadol, and symptoms and visits stopped. This was 3 years ago, for over the last year , I have had issues breathing, stumping my doctors, I do have high heart rate. Could the extended use of tramadol be a cause or a factor!?