NPPB and COVID-19–associated multisystem inflammatory syndrome in children: In addition, several factors are associated with cardiac injury, such as D-dimer, BNP, N-terminal -proBNP (NT-proBNP), and troponin-T are elevated in MIS-C patients (Diorio et al., 2020; García-Salido et al., 2020; Simon Junior et al., 2021).