Composition of commonly used intravenous fluids

	Osmolality	Tonicity	Na⁺	Cl⁻	K⁺	Mg²⁺	Ca²⁺	Buffer^a
Plasma	288	Reference	140	103	4.5	1.25	2.5	24
0.9% NaCl	308	Isotonic	154	154	0	0	0	0
Lactated Ringer’s	279	Hypotonic	130	111	4.0	0	2.7	29
PlasmaLyte	N/A	Isotonic	140	98	5.0	1.5	0	50
Sterofundin	309	Isotonic	140	127	4.0	1.0	2.5	29
5% Glucose	278	Hypotonic	0	0	0	0	0	0
1.4% NaHCO₃	333	Hypertonic	167	0	0	0	0	167

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5506238/

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