Table 1.

Main laboratory results on admission and during follow-up.

Laboratory investigations	0 day	3 days	7 days	14 days
CK (U/L)	1560	670	300	75
Creatinine (mg/dL)	2.1	1.7	1.3	0.8
LDH (U/L)	437	–	230	68
AST(U/L)	312	–	160	42
FT4 (ng/dL)	<0.3	–	–	1.2
TSH (µIU/mL)	43.2	–	–	20
Thyroxine dose microgram/day	25	25	25	50

CK, creatine kinase (30–135 U/L); AST, aspartate aminotransferase (9–52 U/L); LDH, lactate dehydrogenase (50–245 U/L); FT4, free thyroxine 4 (1.71–2.8 ng/dL); TSH, thyroid-stimulating hormone (0.4–4.8 µIU/mL).