Ok I have had this before but when my anxiety is present and heart rate up . But this arvo was totally different . I worked until 1.30 pm came home did some chores etc . Sat to look at my iPad after a while I stood up and felt dizzy and really off balance , when I looked down it was worse even bending . Went and fed the horses and nearly fell over bending to get hay . Came in side and checked my bp it was 203/97 I felt really strange , headache and my vision went really smokey . But the weird thing is that my heart rate was as low as 60 ? So I feel this def was not a panic attack .......well I think . After about hour and half if started to come down and went as low as 100/71 ? Now I'm feeling very tired and drained . I did take .5 mg of xanax . Any thought please ??