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. 2022 May 21;61(15):2333–2337. doi: 10.2169/internalmedicine.9179-21

Figure.

Figure.

The patient’s clinical course. The patient’s confused state soon improved after the administration of 40 mL of 50% dextrose, and his lactic acidosis was also improved by the administration of sodium bicarbonate and extracellular fluid resuscitation. In addition, his significantly elevated plasma metformin level on arrival (4,71 mg/L) decreased to 0.53 mg/L by 15 hours after starting treatment.