Atrial fibrillation has been talked about related to "hidden" symptoms of hypo. Hidden in that it often doesn't present with obvious symptoms, but with dire consequences.
Leads to launch of new site:
medscape.com/viewarticle/80...
At the new site, symptoms of a-fib:
afibmatters.org/Signs-and-s...
It would be remiss of me not to mention the community right here in HU:
healthunlocked.com/afassoci...
(Most of this post is quoted from a USA thyroid sufferer in another place.)
Rod