16 March 2026
: Case report 
Fatal Cardiomyopathy Secondary to Seronegative Immune-Mediated Necrotizing Myopathy: A Case Report
Challenging differential diagnosis, Rare disease, Rare coexistence of disease or pathology
Benjamin D. Lueck ABCDEF 1, Alyssa K.W. Maclean ABCDEF 1, Georges El Hasbani ABCDEF 2, Andrew J. Layman CDE 3, Floranne C. Ernste CDEF 2, Courtney A. Arment ABCDEFG 2*DOI: 10.12659/AJCR.951603
Am J Case Rep 2026; 27:e951603
Figure 4 Timeline of clinical course. Tick marks represent passage of 1 month. ARDS – acute respiratory distress syndrome; BID – twice daily; CK – creatinine kinase; CRP – C-reactive protein; Echo – echocardiogram; IV, intravenous; IVIG – intravenous immunoglobulin; LV – left ventricle; LVEF – left ventricular ejection fraction; PEA – pulseless electrical activity; RV – right ventricle.