I am nakshatra here,from past 6 years I am having dizzy spells especially when I stand,MRI,ent check,blood work has been done,everything is normal,finally it is anxiety and panic attack,consulted a psychiatrist and on medication.but still I am scared about it.I am worried I may be sufferring a heart problem or lungs problem.please help.my symptoms are racing heart rate,increase in bp,hot flushes,chillness in hands and feet,dizziness,breathing trouble,urge to usr the rest room.please help.