01-04-2010, 05:16 PM
A 50 y/o HIV +ve man with a CD4 count of 200 prrsents with complaints of fatigue, weightloss and dry cough. Cough has been for past 2 days and has high grade fever. No chest pain but he is visibly short of breath. His ABGs revealed hypoxemic respiratory failure with a po2 of 45. He is started on Bactrim IV and steroids.
Laboratory Studies reveal
Free thyroxine 0.9 ng/dL
Triiodothyronine 22 ng/dL
Thyroid-stimulating hormone 0.3 μU/mL
Which of the following statements about this patient™s condition is true?
( A ) Perform a radioactive iodine uptake test
( B ) Using T3 treatment will improve his condition and prognosis.
( C ) The lab abnormalities are due to decreased peripheral conversion of thyroxine to triiodothyronine
( D ) Serum thyroid binding globulin is increased
( E ) Pituitary MRI should be obtained
Laboratory Studies reveal
Free thyroxine 0.9 ng/dL
Triiodothyronine 22 ng/dL
Thyroid-stimulating hormone 0.3 μU/mL
Which of the following statements about this patient™s condition is true?
( A ) Perform a radioactive iodine uptake test
( B ) Using T3 treatment will improve his condition and prognosis.
( C ) The lab abnormalities are due to decreased peripheral conversion of thyroxine to triiodothyronine
( D ) Serum thyroid binding globulin is increased
( E ) Pituitary MRI should be obtained