I had ECT for the first time just over a month ago as I had been severely depressed for some time and meds were no longer working. The treatment worked wonderfully and I am now relatively stable and not at all depressed. The procedure itself was not too bad, I just hated having a needle but to be honest the rest of the experience was positive, even enjoyable (I enjoy being knocked unconscious for some reason, probably the drugs). It amazed me how well it worked so I would certainly say it is a viable option for you but it does not work for everyone. I wish you well on your journey.
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Bipolar 1 with psychotic features
PTSD
"Phew! For a minute there I lost myself."
'Karma Police' by Radiohead