Mult Choice Q on Thyroid, another good one. - apple09

[ArchivalUser]

This is from NBME. Two weeks after bowel resection, a 62 y/o man cannot be weaned from ventilator. His temp is 99.8 deg F, pulse is 106/min, resp rate is 20/min, and blood pressure is 142/84. He is mildly obese. THe lungs are clear to auscultation. Serum studies show a T4 concentration of 6, a T3 concentration of 90, and TSH concentration of 2.8. Which of the following is the most likely cause of this patient's findings?

A) Acute suppurative thyroiditis
B) Hashimoto's
C) Drug-Induced Hypothyroidism
D) Euthyroid Sick Syndrome
E) Exogenous administered thyroid hormone
F) Hyperthyroidism
G) MEN Syndrome
H) Subacute Thyroiditis
I) Thyroid Cancer

[ArchivalUser]

Euthyroid Sick Syndrome

[ArchivalUser]

D.

[ArchivalUser]

I thought euthyroid sick syndrome has high T4 that cant be converted to T3?

[ArchivalUser]

How will you distinguish Euthyroid Sick Syndrome from Exogenous administration of thyroid hormones?

[ArchivalUser]

euthyroid sick syndrome is also called as low t3 syndrome

[ArchivalUser]

D..

[ArchivalUser]

yup ddddd

[ArchivalUser]

but T3 is high in this question isnt it?

[ArchivalUser]

exogenous has high t4, t3 and low tsh or n tsh.................also gland shows follicular atrpophy and anti thyroid antibody also present