Last night I was lying in bed watching t.v. when out of nowhere I became extreamly dizzy and had a hot flash. This only lasted a few second, but then I became very anxious, shaky, and nervous. I had taken my blood pressure right before the episode and it was 106/86. I took my blood pressure again after the episode and it was 138/105. I took a Xanax and went to sleep.
I am a 36 year old female, overweight, with a history of anxiety, panic disorder, PVC, and SVT. I was not anxious or panicy before the episode. I was very relaxed.
This was not the first time this has happened. It has happened while talking to co-workers, walking down the hall, sitting in chair.
What could be causing these "episodes?"