Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

I had that happen a few weeks ago.....sugar was low....altho not too low (full hypo), but everyone is different.
Keep track of this and if it happens again, talk to your doctor :)
But its a really scary feeling for a split second as if ur going to pass out and then ure back....
Like u are in an elevator and it takes a sudden jerk...
Best wishes, and keep hydrated!
When this happened to me, my anxiety levels decreased to a much better resting level, and the changes in my well-being improved significantly as well.