for the last 2 weeks I have been having chest pain mainly on my right side that comes and goes, I have been diagnosed with a heart murmur but no medical attention have been needed, I am also anemic, and have a vit d defienciency, the pain in my chest is sharp, sometimes feels like a quiver feeling, I do remember also feeling like a shocking feeling to my heart ( very weird feeling like it shocked itself), should I go to ER