An Unusual Presentation of Thyrotoxicosis: Leg Weakness and Hypokalemia in a 21-Year-Old Male

Table 1

Pertinent laboratory values on admission.

Labs	Value	Reference
Potassium	2.1 (mEq/L)	(3.5–5.3 mEq/L)
Magnesium	1.4 (mEq/L)	(1.3–2.1 mEq/L)
TSH	0.01 (IU/mL)	(0.34–5.60 IU/mL)
Total T4	19.4 (ug/L)	(6.0–12.0 ug/L)
T3	14.9 (pg/mL)	(2.0–4.4 pg/dL)
FT4	4.59 (ng/dL)	(0.82–1.77 ng/dL)
CPK	1569 IU/L	(38–174 IU/L)