Im 24 yrs male 5 days back head revolving and check bp by RMP told 140/90,next day consult. Cardiologist ,he checked bp 120/80,he told that it is due to tension u don't need to worry the doctor told ,meanwhile I'm checking my bp 3 times in a day it is normal and sometimes having left side chest pain from 5 days my head is reeling walking discomfort I think I may fall ,I'm veg it is due to any vitamin def ,like iron ,vit b12,since 3months iam not taking egg or milk ,breathing is good and if I take long breath then no pain in chest sometimes light pain in left and right chest ,upon sit the head will not reel u,on standing it will revolve sometimes ,what is reason doctors ,