Hi - for the past few weeks or so, I have been occasionally experiencing a kind of head rush - when I stand up, or look up, I will feel my heart beat in my head face. My blood pressure has been a tad high but consistent for the past several years (130/92, for example). I am overweight, and have been on anti-depressants for 16 years - no med changes or other changes....nothing going on in my personal life which is causing straine. Should I be concerned?