Should I be worried that I'm being sent for MRI?

I was diagnosed with Depression about 13 years ago and have been on meds since with success most of the time (apart from the expected downs every now and then). I initially went to my GP for 2 reasons. 1. I still have Galactorrhea since the birth of my twins 8 years ago and 2) I was feeling that my med mybe weren't working quite as well as they should. My yardstick by which I usually measure my mental health is my level of irritability! Lets just say, I'm surprised my man and kids still love me... My memory is also shocking (embarrasingly so at times!) have history of headaches (pressure like feeling as opposed to sharp) with two diagnosed migraines.
My GP mentioned Temporal lobe epilepsy for the 2nd time in 2 years (the 1st time I ignored his request for an eeg- thought he was mad!) so this time I went. Really thought it was a waste of time. Never had any of the symptoms I've read about it. My results came back as follows:

- Slow theta and delta waves discharges during hyperventilation - higher amplitude in left temporal lobe
- Frontal intermittent rhythmically delta activity seen once
- No epileptiformic dysrhythmias seen
My bloods have come normal.
My gp is sending me for an MRI tomorrow. Damn the internet and all its information. I've worked myself up into a frenzy. Its just bad news according to all the sites I've googled. I'm really confused because I really don't feel I have TLE but whats up with the eeg then?
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