welcome to HCM
you are a 19 year old female. this means your in teenage in which mostly body functions are at the peak. so never think you will have any cardiac or any other chronic disease until and unless they are congenital.
At this young age the pain arising at chest and different other areas along the shoulders and back muscles can be due to 2 common conditions. i.e. anxiety
. and along with the mentioned symptoms you may experience symptoms like cold
sweating specialy in palms of the hands, palpitations. aprehension, neck pain
, sleepliness, loss of apetite, so nothing is wrong with your heart.