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Crystalloid
Tonicity
Sodium (mEq/L)
Chloride (mEq/L)
Potassium (mEq/L)
Calcium (mEq/L)
Osmolality (mOsm/L)
pH
Lactated Ringer’s solution
Isotonic
130
109
4
3
273 (pH 6.7)
6.7
Plasmalyte-A®
140
103
5
0
294 (pH 7.4)
7.4
Normosol-R®
98
295 (pH 7.4)
Normal saline (0.9%)
154
308 (pH 5.7)
5.7
Dextrose (2.5% in 0.45% saline)
77
280 (pH 4.5)
4.5
Dextrose (5%) in water
Hypotonic
253 (pH 5.0)
5.0
Hypertonic saline (7.5%)
Hypertonic
1,232
2,464 (pH 5.2)
5.2
Normosol-M® with 5% dextrose
40
13
363 (pH 5.2)
Electrolyte units are mEq/L.
