(R)--[[(1,2-dihydro-2-oxo-6-quinolinyl)sulfonyl], 2',7'-dichlorodihydrofluorescein diacetate, Ca2+, Ca2+/calmodulin-dependent kinase II, CaMKII, DCF, Diabetes mellitus, Diabetic hyperglycemia, GKT137831, GlcNAc, Glu, Gp91ds-tat peptide, Grx, Hi, Hi-Glu, Hyperglycemia, KN-93, L-NAME, L-NIO, L-NPA, Mouse, Mouse Ventricular Myocytes, N-acetylglucosamine, NADPH, NO, NO synthase, NOS, NOX (NADPH oxidase) 2, NOX2, NOX4, O, O-GlcNAc, Oxygen, S280A, Thiamet G, ThmG, arrhythmia, arrhythmogenic, cardiac, cardiac myocyte, cardiomyocytes, diabetes mellitus, diabetic hyperglycemia, glucose, mice, mouse, multisystem disease, myocyte, myocytes, oxygen, postinfarction, roGFP2, ventricular myocyte, ventricular myocytes