• Eunji Ko, Yun Hee Kim, Yeon Jae Song, Kwanyoung Choe, Junghyun Heo, Dae Eun Moon, and Choon Hak Lim.
• Department of Anesthesiology and Pain Medicine, Korea University Anam Hospital, Seoul, Korea.
• J. Korean Med. Sci. 2022 Dec 19; 37 (49): e345e345.

AbstractPrecise fluid administration is important to prevent hypo- or hypervolemia. However, the accuracy of scales marked on intravenous (IV) fluid plastic bags had remained unknown. Ten 1 L sized IV crystalloids were prepared from each of three manufacturers (H, J, and D). At each scale, the actual volume of the IV fluid was measured. Differences with the measured volumes for each scale were investigated between the three manufacturers. All initial total volume was greater than 1 L. Except for the full-filled level, H overfilled, whereas J and D filled less. For J and D, the maximal differences between the scale and the measured volume were about 200 mL. Fluid volumes of each scale were significantly different among the three manufacturers (P < 0.001). It is inaccurate to measure the amount of fluid depending on the IV bag scales. Clinicians must use electronic infusion pumps for accurate fluid administration.© 2022 The Korean Academy of Medical Sciences.

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