Intravenous fluid administration is a cornerstone of resuscitation and the treatment of many critically ill ED patients.
Recent publications have suggested that balanced crystalloid solutions may be better than 0.9% normal saline (NS) for select conditions.
Lactated Ringer's (LR) is a common balanced crystalloid solution often used for fluid resuscitation in critically ill patients.
AS LR contains approximately 28 mmol/L of sodium lactate, the question of whether LR elevates serum lacate is frequently asked.
In a recent small, randomized, double-blind, controlled trial, investigators randomized healthy volunteers to receive 30 ml/kg of either 0.9% NS or LR. The authors report no statistical difference in the mean serum lactate when comparing LR to 0.9% NS.
References
Zitek T, et al. Does intraveneous lactated ringer's solution raise serum lactate? J Emerg Med. 2018; 55:313-8.
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