Can't figure out this one symptom

[Guest guest]

For the past six months or so my heart pounds really hard when I lay down, first

wake up or exert myself...ie going up the stairs. When I wake up in the

am..haven't even gotten out of bed, just open my eyes and the pounding starts.

It's so hard it feels like my heart is going to thump out of my chest.

My doc didn't seem to think much of it...but I did'nt have this my whole life

nor did I have it a year ago. So its something to do with going on HC or the RT3

appearing. (not sure)

It's fine otherwise. Salt has done nothing to alleviate this. nor has magnesium

to bowel tolerance.

It did not change at 30mg of HC, nor at 25. My thyroid dose hasn't mattered

either, but with high RT3...if it were from thyroid it wouldn't.

Ferretin is low. I began on iron a week ago again at 25mg. No change yet in the

pounding.

Has anyone any idea if this symptom is adrenal or thyroid?

Jan