Laboratory Data Interpretation
Manage episode 357591139 series 3456065
A 45-year-old woman with no chronic health problems presents a 6-month history increasing fatigue despite adequate opportunity for rest , worsening dry skin and increased menstrual flow volume. In analyzing the laboratory data below, which is most consistent with the diagnosis of hypothyroidism?
A. TSH <0.15 mIU/L (0.4–4.0 mIU/L), free T4=79 pmol/L (10–27 pmol/L)
B. TSH=8.9 mIU/L (0.4–4.0 mIU/L), free T4=15 pmol/L (10–27 pmol/L)
C. TSH=1.9 mIU/L (0.4–4.0 mIU/L), free T4=22 pmol/L (10–27 pmol/L)
D. TSH=64 mIU/L (0.4–4.0 mIU/L), free T4=3 pmol/L (10–27 pmol/L)
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