PMC9990155_01
Proudfoot survival curve. Survival is difficult above the curve, whereas below the curve, it is possible. The serum concentration of paraquat 20 h after ingestion indicates that survival is difficult.  , dead;  , survives; , this case.
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This value was a lethal dose, and the Proudfoot survival curve (Fig. 1) indicated poor outcomes.
Course after hospitalization. CHDF, continuous hemodiafiltration; Cr, Creatinine.
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Lung fibrosis did not occur and the patient continues to be under observation (Fig. 2).