We have a patient with some signs of thyrotoxicosis
Lid retraction
Weight loss
However his thyroid function results are as follows (typical example)
Total T4 70
Free T4 19.5
TSH < 0.03
The TSH has been consistently suppressed during the last two to three
months. Thinking this may be a T3 toxicosis we had a total T3 measured which
came back 1t 1.50 (1.20 - 2.20).
He also has strongly positive thyroid autoantibody titres.
What's the next step ?
Is this patient toxic ?
Should we consider measuring LATS ABs ?
What about a TRH test ?
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