Hi 
Welcome to HCM ,
your pain history not suggestive of cardiac pain , and your EKG and 
blood test are also normal 
i would like to suggest you take some pain killers for two to three days ,
adopt healthy life style 
few tips are 
eat green leafy vegetables , fresh fruits , whole cereals , salads , nuts like almond and walnut , sea fish like salmon ,tuna 
avoid fatty ,fried , oily ,junk food 
restrict salt intake 
avoid backary items , sweets , red meat ,
say big NO to any addiction ,
take proper rest , 
do 
stress relaxing yogas .
take care