free t4 13.8 (12-20) low end pmol/l
free t3 5.7 (3.4 - 6) high end pmol/l
total t4 80.6 (77-150) low end nmol/l
tsh 4.15 (1 - 4) slightly raised mIU/L
t4:t3 2.4 (2.5 - 4.0) low
on these figures she was not diagnosed as hypothyroid, but it is interesting that very low normal end t4 levels have produced a high end free t3 - perhaps what this theory is based on?
my results (same units):-
I'm a member of a great thyroid forum and one possibility for high t3 with low t4 , is that t4 is also getting made into reverse t3 (inactive and blocks t3 receptors ).
I learnt that on the forum so you'll have to fact check.
Reverse t3 is produced under stress .
If I pretend for a minute that's what we're looking at here, and then assume the stress continued, eventually you would see t4 deplete more, followed by t3 , as reverse t3 takes priority.
Even with a high t3, reverse t3 blocks reveptors, making the person feel hypothyroid, even with adequate t3 on labs.
Sorry if I patronised or repeated as I have not read the whole thread.