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. 2021 Aug 9;9:692256. doi: 10.3389/fped.2021.692256

Figure 2.

Figure 2

Left ventricular systolic function* by AKI stage#. Histogram showing the number of patients (Y axis) with varying degrees of cardiac dysfunction across all stages of AKI (X axis). X axis, Stages of AKI; Y-axis, Number of patients in each class of cardiac dysfunction. #(AKI stage 1: serum creatinine 1.5–1.9 times baseline OR > 0.3 mg/dl increase within 48 h, stage 2: 2.0–2.9 times baseline, stage 3: 3.0 times baseline OR increase in serum creatinine to 4.0 mg/dl OR Initiation of kidney replacement therapy) (8). *[Left ventricular systolic function by Ejection Fraction (EF): Normal EF (EF ≥ 55%), Mildly reduced EF (EF: 41–54%), Moderately Reduced EF (EF: 31–40%), and severely reduced EF (EF ≤ 30%)] (11).