T3 thyrotoxicosis

T₃ thyrotoxicosis

Hyperthyroidism in which T₃ but not T₄ is elevated; TT Pts are clinically heterogeneous and lack distinctive signs and Sx, comprising about 4% of those with hyperthyroidism due to Graves' disease, toxic nodular goiter and thyroid adenomas and a higher percentage of hyperthyroidism in regions with lower levels of iodine

McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.