I am 49 years old and had a heart cath when I was 42 for a branch blockage. Other than that I have been pretty healthy.  I have hypothyroidism but it is under control.  A few days ago, I began having chest discomfort and left shoulder pain that has not let up.  My pressure seems to be up.  Should I go to ER?
Hello! Thank you for asking in Chat Doctor. I can understand your concern. According to your history about your heart problems it would be better for you to go to ER. If I was your doctor I will firstly exclude cardiac problems by doing