my dad undergone ptca stent two years back on august 15th for single blocage upto 90 %  right now his ef is 38% and from past 6 months he is reporting pain in left nipple with burning sensation is there some thing to worry or what is the remedy he is 57 yrs old
Hello and thanks for writing. I can understand your concern and would try to help you in the best possible way. Your dad has a history of coronary artery disease with low Ejection fraction. This means that his heart is weaker than normal and can pump with 38% efficiency. A normal heart can pump with around 55-60% efficiency. This puts him under risk of chronic heart failure in the long run. He would require extra care which includes