Has anyone had a CT Scan of the head/brain? Due to a coughing fit which brought on a sudden and drop-me-to-my-knees severe headache back in October, my doctor has ordered a CT Scan for me. I scheduled it for next Thursday, the 10th. I'm trying my best not to get freaked out, but she used the word aneurism. If she had just said "get this done" I probably would be ok, but now I'm really kind of nervous....so has anyone had one?