Fig. 1.
Proposed algorithm for management of ICI-associated myocarditis. Abbreviations: ATG, anti-thymocyte globulin; CMR, cardiac magnetic resonance imaging; ECG, electrocardiogram; EMB, endomyocardial biopsy; GDMT, guideline-directed medical therapy; ICI, immune checkpoint inhibitor; IVIg, intravenous immunoglobulin; LVEF, left ventricular ejection fraction; NSAID, nonsteroidal anti-inflammatory drug; NT-proBNP, N-terminal pro-brain natriuretic peptide