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October 1992

Hyperthyroidism as a Cause of Atrial Fibrillation in Long-term Care

Author Affiliations

From the University of Wisconsin Medical School and Middleton Veterans Affairs Hospital, Madison, Wis (Drs Siebers and Drinka), and the Wisconsin Veterans Home, King (Dr Drinka and Ms Vergauwen).

Arch Intern Med. 1992;152(10):2063-2064. doi:10.1001/archinte.1992.00400220081014

Background.—  We measured sensitive thyrotropin-stimulating hormone (sTSH) in 50 consecutive nursing home patients (39 men) with atrial fibrillation to determine the frequency of hyperthyroidism.

Methods.—  Patients were identified in a long-term care facility by an electrocardiogram demonstrating atrial fibrillation. The sensitive thyrotropin-stimulating hormone assay had a detection limit of less than or equal to 0.02 mU/L (normal range, 0.46 to 3.60 mU/L).

Results.—  No subject had a suppressed sensitive thyrotropin-stimulating hormone.

Conclusions.—  Hyperthyroidism is not a common cause of atrial fibrillation in male nursing home residents.(Arch Intern Med. 1992;152:2063-2064)

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