... blackout spells. They hit me out of no where. I will be doing something then all of a sudden my whole body starts shaking and I get light headed. Then things start to fade out to where I can't see anything at all. Sometimes I actually do go down and pass out. But more often then that after about 10 minutes my sight is back and I can go on with my duties. I have been doing it a lot lately, starting to worry me