A client with new-onset atrial fibrillation appears very anxious. After reviewing the client's recent laboratory results, the nurse concludes that which might be causing the client's symptoms?
A) A Hgb of 11.0 g/dL
B) A TSH of 0.25 mU/mL
C) A TSH of 18 mU/mL
D) A Hgb of 13.8 g/dL
Answer: C
New-onset atrial fibrillation and anxiety are potential symptoms of hyperthyroidism. A TSH level above 5 mU/mL is considered high. The nurse can plan outcomes to relieve the client's anxiety based on this diagnosis. TSH 0.25 mU/mL is indicative of hypothyroidism. Hgb 13.8 g/dL and Hgb 11.0 g/dL are both normal hemoglobin levels.
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