I am sorry to hear of your troubles Kate - I was lucky. I too suffered from severe debilitating headaches for years and underwent cat scans and mri scans to no avail. They eventually found a calcified pituatry gland and underactive thyroid - treated the thyroid and my headaches are much better. I will need to keep taking the meds for the rest of my life and naturally they keep changing the dosage but I keep ticking along.

I really hope they manage to treat your anurism and you get better very quickly - we do miss you