I am having episode of giddiness and nausea, bur am a healthy 78 yer old woman. I had treate AG R Macular D. I wonder if it is my BY but it is only 1. 129/28. .2. 173/63 3. 124/85 All while seated and pulse a consistent 60,. It happens when I am reach up i.e. pegging or reading and the nausea is distressing as it comes and goes, but I have to sit down. does this make any sense?