31 January 2025
: Case report 
Rhabdomyolysis of Infectious Etiology with Creatine Kinase Above One Million: A Case Report
Unusual clinical course, Challenging differential diagnosis
Marshall Weber ABCDEF 1,2, William Goss BCDE 1, Colton Hoffer BCDEF 2,3, Joseph Ogunsulire CDEG 4, Ferdinand Schafer ADE 1*DOI: 10.12659/AJCR.946364
Am J Case Rep 2025; 26:e946364
Table 1. Selected laboratory test values.
| Lab values | Day 1 | Day 2 | Day 3 | Day 6* | Day 7 | Day 8 | Day 10 | Day 14 | Day 16 |
|---|---|---|---|---|---|---|---|---|---|
| CK (×10 IU/L) | 162 | 294 | 804 | 1353 | 528 | — | 48 | — | 2.8 |
| WBC (×10 cells/L) | 21.5 | — | — | — | — | 35.8 | 42.2 | 18.3 | 10.9 |
| PO (mg/dL) | 4.9 | 12.8 | — | 16.9 | 5.1 | 5.8 | — | — | 8.9 |
| Na+ (mEq/L) | 133 | 129 | — | 125 | 134 | — | — | — | 139 |
| K+ (mEq/L) | 3.1 | — | 5.6 | — | — | — | 3.1 | 2.6 | — |
| HCO (mmol/L) | 11 | 20 | — | >45 | — | 22 | — | 13 | 17 |
| AST (U/L) | 688 | 1450 | — | 1878 | — | — | 294 | — | — |
| ALT (U/L) | 179 | 398 | — | 712 | — | — | 325 | — | — |
| * Day that CRRT was started. CK – creatine kinase; WBC – white blood cells; AST – aspartate aminotransferase; ALT – alanine aminotransferase. | |||||||||